From 5f466137ad6ac596600e3ff53c9b786815398445 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Sat, 27 May 2017 17:36:13 +0200
Subject: node_modules, clean up package.json

---
 .../core-js/library/modules/$.a-function.js        |   4 -
 .../library/modules/$.add-to-unscopables.js        |   1 -
 .../core-js/library/modules/$.an-object.js         |   5 -
 .../core-js/library/modules/$.array-copy-within.js |  27 --
 .../core-js/library/modules/$.array-fill.js        |  16 -
 .../core-js/library/modules/$.array-includes.js    |  21 --
 .../core-js/library/modules/$.array-methods.js     |  43 ---
 .../library/modules/$.array-species-create.js      |  16 -
 node_modules/core-js/library/modules/$.buffer.js   | 288 ----------------
 node_modules/core-js/library/modules/$.classof.js  |  16 -
 node_modules/core-js/library/modules/$.cof.js      |   5 -
 .../core-js/library/modules/$.collection-strong.js | 159 ---------
 .../library/modules/$.collection-to-json.js        |  11 -
 .../core-js/library/modules/$.collection-weak.js   |  86 -----
 .../core-js/library/modules/$.collection.js        |  55 ----
 node_modules/core-js/library/modules/$.core.js     |   2 -
 node_modules/core-js/library/modules/$.ctx.js      |  20 --
 node_modules/core-js/library/modules/$.defined.js  |   5 -
 .../core-js/library/modules/$.descriptors.js       |   4 -
 .../core-js/library/modules/$.dom-create.js        |   7 -
 .../core-js/library/modules/$.enum-keys.js         |  14 -
 node_modules/core-js/library/modules/$.export.js   |  46 ---
 .../core-js/library/modules/$.fails-is-regexp.js   |  12 -
 node_modules/core-js/library/modules/$.fails.js    |   7 -
 .../core-js/library/modules/$.fix-re-wks.js        |  26 --
 node_modules/core-js/library/modules/$.flags.js    |  13 -
 node_modules/core-js/library/modules/$.for-of.js   |  19 --
 .../core-js/library/modules/$.get-names.js         |  20 --
 node_modules/core-js/library/modules/$.global.js   |   4 -
 node_modules/core-js/library/modules/$.has.js      |   4 -
 node_modules/core-js/library/modules/$.hide.js     |   8 -
 node_modules/core-js/library/modules/$.html.js     |   1 -
 node_modules/core-js/library/modules/$.invoke.js   |  16 -
 node_modules/core-js/library/modules/$.iobject.js  |   5 -
 .../core-js/library/modules/$.is-array-iter.js     |   8 -
 node_modules/core-js/library/modules/$.is-array.js |   5 -
 .../core-js/library/modules/$.is-integer.js        |   6 -
 .../core-js/library/modules/$.is-object.js         |   3 -
 .../core-js/library/modules/$.is-regexp.js         |   8 -
 .../core-js/library/modules/$.iter-call.js         |  12 -
 .../core-js/library/modules/$.iter-create.js       |  13 -
 .../core-js/library/modules/$.iter-define.js       |  66 ----
 .../core-js/library/modules/$.iter-detect.js       |  21 --
 .../core-js/library/modules/$.iter-step.js         |   3 -
 .../core-js/library/modules/$.iterators.js         |   1 -
 node_modules/core-js/library/modules/$.js          |  13 -
 node_modules/core-js/library/modules/$.keyof.js    |  10 -
 node_modules/core-js/library/modules/$.library.js  |   1 -
 .../core-js/library/modules/$.math-expm1.js        |   4 -
 .../core-js/library/modules/$.math-log1p.js        |   4 -
 .../core-js/library/modules/$.math-sign.js         |   4 -
 .../core-js/library/modules/$.microtask.js         |  64 ----
 .../core-js/library/modules/$.object-assign.js     |  33 --
 .../core-js/library/modules/$.object-define.js     |  11 -
 .../core-js/library/modules/$.object-sap.js        |  10 -
 .../core-js/library/modules/$.object-to-array.js   |  16 -
 node_modules/core-js/library/modules/$.own-keys.js |   9 -
 node_modules/core-js/library/modules/$.partial.js  |  24 --
 node_modules/core-js/library/modules/$.path.js     |   1 -
 .../core-js/library/modules/$.property-desc.js     |   8 -
 .../core-js/library/modules/$.redefine-all.js      |   5 -
 node_modules/core-js/library/modules/$.redefine.js |   1 -
 node_modules/core-js/library/modules/$.replacer.js |   8 -
 .../core-js/library/modules/$.same-value.js        |   4 -
 .../core-js/library/modules/$.set-proto.js         |  26 --
 .../core-js/library/modules/$.set-species.js       |  13 -
 .../core-js/library/modules/$.set-to-string-tag.js |   7 -
 node_modules/core-js/library/modules/$.shared.js   |   6 -
 .../library/modules/$.species-constructor.js       |   8 -
 .../core-js/library/modules/$.strict-new.js        |   4 -
 .../core-js/library/modules/$.string-at.js         |  17 -
 .../core-js/library/modules/$.string-context.js    |   8 -
 .../core-js/library/modules/$.string-pad.js        |  17 -
 .../core-js/library/modules/$.string-repeat.js     |  12 -
 .../core-js/library/modules/$.string-trim.js       |  29 --
 node_modules/core-js/library/modules/$.task.js     |  75 -----
 node_modules/core-js/library/modules/$.to-index.js |   7 -
 .../core-js/library/modules/$.to-integer.js        |   6 -
 .../core-js/library/modules/$.to-iobject.js        |   6 -
 .../core-js/library/modules/$.to-length.js         |   6 -
 .../core-js/library/modules/$.to-object.js         |   5 -
 .../core-js/library/modules/$.to-primitive.js      |  12 -
 .../core-js/library/modules/$.typed-array.js       | 365 ---------------------
 node_modules/core-js/library/modules/$.typed.js    |  36 --
 node_modules/core-js/library/modules/$.uid.js      |   5 -
 node_modules/core-js/library/modules/$.wks.js      |   7 -
 node_modules/core-js/library/modules/core.delay.js |   8 +-
 node_modules/core-js/library/modules/core.dict.js  |  40 +--
 .../core-js/library/modules/core.function.part.js  |   8 +-
 .../library/modules/core.get-iterator-method.js    |   8 +-
 .../core-js/library/modules/core.get-iterator.js   |   4 +-
 .../core-js/library/modules/core.is-iterable.js    |   8 +-
 node_modules/core-js/library/modules/core.log.js   |  26 --
 .../library/modules/core.number.iterator.js        |   2 +-
 .../core-js/library/modules/core.object.classof.js |   4 +-
 .../core-js/library/modules/core.object.define.js  |   4 +-
 .../library/modules/core.object.is-object.js       |   4 +-
 .../core-js/library/modules/core.object.make.js    |   6 +-
 .../library/modules/core.string.escape-html.js     |   4 +-
 .../library/modules/core.string.unescape-html.js   |   4 +-
 node_modules/core-js/library/modules/es5.js        | 311 ++----------------
 .../library/modules/es6.array.copy-within.js       |   6 +-
 .../core-js/library/modules/es6.array.fill.js      |   6 +-
 .../library/modules/es6.array.find-index.js        |   6 +-
 .../core-js/library/modules/es6.array.find.js      |   6 +-
 .../core-js/library/modules/es6.array.from.js      |  29 +-
 .../core-js/library/modules/es6.array.iterator.js  |  10 +-
 .../core-js/library/modules/es6.array.of.js        |  14 +-
 .../core-js/library/modules/es6.array.species.js   |   2 +-
 .../library/modules/es6.function.has-instance.js   |  12 +-
 node_modules/core-js/library/modules/es6.map.js    |   4 +-
 .../core-js/library/modules/es6.math.acosh.js      |  12 +-
 .../core-js/library/modules/es6.math.asinh.js      |   6 +-
 .../core-js/library/modules/es6.math.atanh.js      |   6 +-
 .../core-js/library/modules/es6.math.cbrt.js       |   4 +-
 .../core-js/library/modules/es6.math.clz32.js      |   2 +-
 .../core-js/library/modules/es6.math.cosh.js       |   2 +-
 .../core-js/library/modules/es6.math.expm1.js      |   5 +-
 .../core-js/library/modules/es6.math.fround.js     |   4 +-
 .../core-js/library/modules/es6.math.hypot.js      |  15 +-
 .../core-js/library/modules/es6.math.imul.js       |   4 +-
 .../core-js/library/modules/es6.math.log10.js      |   2 +-
 .../core-js/library/modules/es6.math.log1p.js      |   4 +-
 .../core-js/library/modules/es6.math.log2.js       |   2 +-
 .../core-js/library/modules/es6.math.sign.js       |   4 +-
 .../core-js/library/modules/es6.math.sinh.js       |   6 +-
 .../core-js/library/modules/es6.math.tanh.js       |   4 +-
 .../core-js/library/modules/es6.math.trunc.js      |   2 +-
 .../core-js/library/modules/es6.number.epsilon.js  |   2 +-
 .../library/modules/es6.number.is-finite.js        |   4 +-
 .../library/modules/es6.number.is-integer.js       |   4 +-
 .../core-js/library/modules/es6.number.is-nan.js   |   2 +-
 .../library/modules/es6.number.is-safe-integer.js  |   4 +-
 .../library/modules/es6.number.max-safe-integer.js |   2 +-
 .../library/modules/es6.number.min-safe-integer.js |   2 +-
 .../library/modules/es6.number.parse-float.js      |   6 +-
 .../library/modules/es6.number.parse-int.js        |   6 +-
 .../core-js/library/modules/es6.object.assign.js   |   4 +-
 .../core-js/library/modules/es6.object.freeze.js   |   7 +-
 .../es6.object.get-own-property-descriptor.js      |   5 +-
 .../modules/es6.object.get-own-property-names.js   |   4 +-
 .../library/modules/es6.object.get-prototype-of.js |   5 +-
 .../library/modules/es6.object.is-extensible.js    |   4 +-
 .../library/modules/es6.object.is-frozen.js        |   4 +-
 .../library/modules/es6.object.is-sealed.js        |   4 +-
 .../core-js/library/modules/es6.object.is.js       |   4 +-
 .../core-js/library/modules/es6.object.keys.js     |   5 +-
 .../modules/es6.object.prevent-extensions.js       |   7 +-
 .../core-js/library/modules/es6.object.seal.js     |   7 +-
 .../library/modules/es6.object.set-prototype-of.js |   4 +-
 .../core-js/library/modules/es6.promise.js         | 312 +++++++++---------
 .../core-js/library/modules/es6.reflect.apply.js   |  18 +-
 .../library/modules/es6.reflect.construct.js       |  30 +-
 .../library/modules/es6.reflect.define-property.js |  15 +-
 .../library/modules/es6.reflect.delete-property.js |   8 +-
 .../library/modules/es6.reflect.enumerate.js       |   6 +-
 .../es6.reflect.get-own-property-descriptor.js     |   8 +-
 .../modules/es6.reflect.get-prototype-of.js        |   6 +-
 .../core-js/library/modules/es6.reflect.get.js     |  15 +-
 .../core-js/library/modules/es6.reflect.has.js     |   2 +-
 .../library/modules/es6.reflect.is-extensible.js   |   4 +-
 .../library/modules/es6.reflect.own-keys.js        |   4 +-
 .../modules/es6.reflect.prevent-extensions.js      |   4 +-
 .../modules/es6.reflect.set-prototype-of.js        |   4 +-
 .../core-js/library/modules/es6.reflect.set.js     |  22 +-
 .../library/modules/es6.regexp.constructor.js      |   2 +-
 node_modules/core-js/library/modules/es6.set.js    |   4 +-
 .../library/modules/es6.string.code-point-at.js    |   4 +-
 .../library/modules/es6.string.ends-with.js        |  11 +-
 .../library/modules/es6.string.from-code-point.js  |  15 +-
 .../core-js/library/modules/es6.string.includes.js |   6 +-
 .../core-js/library/modules/es6.string.iterator.js |   4 +-
 .../core-js/library/modules/es6.string.raw.js      |  19 +-
 .../core-js/library/modules/es6.string.repeat.js   |   4 +-
 .../library/modules/es6.string.starts-with.js      |  11 +-
 .../core-js/library/modules/es6.string.trim.js     |   2 +-
 node_modules/core-js/library/modules/es6.symbol.js | 250 +++++++-------
 .../library/modules/es6.typed.array-buffer.js      |  81 ++---
 .../core-js/library/modules/es6.typed.data-view.js |   8 +-
 .../library/modules/es6.typed.float32-array.js     |   2 +-
 .../library/modules/es6.typed.float64-array.js     |   2 +-
 .../library/modules/es6.typed.int16-array.js       |   2 +-
 .../library/modules/es6.typed.int32-array.js       |   2 +-
 .../library/modules/es6.typed.int8-array.js        |   2 +-
 .../library/modules/es6.typed.uint16-array.js      |   2 +-
 .../library/modules/es6.typed.uint32-array.js      |   2 +-
 .../library/modules/es6.typed.uint8-array.js       |   2 +-
 .../modules/es6.typed.uint8-clamped-array.js       |   2 +-
 .../core-js/library/modules/es6.weak-map.js        |  51 +--
 .../core-js/library/modules/es6.weak-set.js        |   4 +-
 .../core-js/library/modules/es7.array.includes.js  |   8 +-
 .../core-js/library/modules/es7.map.to-json.js     |   4 +-
 .../core-js/library/modules/es7.object.entries.js  |   6 +-
 .../es7.object.get-own-property-descriptors.js     |  24 +-
 .../core-js/library/modules/es7.object.values.js   |   6 +-
 .../core-js/library/modules/es7.regexp.escape.js   |   5 -
 .../core-js/library/modules/es7.set.to-json.js     |   4 +-
 .../core-js/library/modules/es7.string.at.js       |   4 +-
 .../core-js/library/modules/es7.string.pad-left.js |   9 -
 .../library/modules/es7.string.pad-right.js        |   9 -
 .../library/modules/es7.string.trim-left.js        |   4 +-
 .../library/modules/es7.string.trim-right.js       |   4 +-
 .../core-js/library/modules/js.array.statics.js    |  17 -
 .../core-js/library/modules/web.dom.iterable.js    |  14 +-
 .../core-js/library/modules/web.immediate.js       |   4 +-
 node_modules/core-js/library/modules/web.timers.js |   8 +-
 206 files changed, 780 insertions(+), 3057 deletions(-)
 delete mode 100644 node_modules/core-js/library/modules/$.a-function.js
 delete mode 100644 node_modules/core-js/library/modules/$.add-to-unscopables.js
 delete mode 100644 node_modules/core-js/library/modules/$.an-object.js
 delete mode 100644 node_modules/core-js/library/modules/$.array-copy-within.js
 delete mode 100644 node_modules/core-js/library/modules/$.array-fill.js
 delete mode 100644 node_modules/core-js/library/modules/$.array-includes.js
 delete mode 100644 node_modules/core-js/library/modules/$.array-methods.js
 delete mode 100644 node_modules/core-js/library/modules/$.array-species-create.js
 delete mode 100644 node_modules/core-js/library/modules/$.buffer.js
 delete mode 100644 node_modules/core-js/library/modules/$.classof.js
 delete mode 100644 node_modules/core-js/library/modules/$.cof.js
 delete mode 100644 node_modules/core-js/library/modules/$.collection-strong.js
 delete mode 100644 node_modules/core-js/library/modules/$.collection-to-json.js
 delete mode 100644 node_modules/core-js/library/modules/$.collection-weak.js
 delete mode 100644 node_modules/core-js/library/modules/$.collection.js
 delete mode 100644 node_modules/core-js/library/modules/$.core.js
 delete mode 100644 node_modules/core-js/library/modules/$.ctx.js
 delete mode 100644 node_modules/core-js/library/modules/$.defined.js
 delete mode 100644 node_modules/core-js/library/modules/$.descriptors.js
 delete mode 100644 node_modules/core-js/library/modules/$.dom-create.js
 delete mode 100644 node_modules/core-js/library/modules/$.enum-keys.js
 delete mode 100644 node_modules/core-js/library/modules/$.export.js
 delete mode 100644 node_modules/core-js/library/modules/$.fails-is-regexp.js
 delete mode 100644 node_modules/core-js/library/modules/$.fails.js
 delete mode 100644 node_modules/core-js/library/modules/$.fix-re-wks.js
 delete mode 100644 node_modules/core-js/library/modules/$.flags.js
 delete mode 100644 node_modules/core-js/library/modules/$.for-of.js
 delete mode 100644 node_modules/core-js/library/modules/$.get-names.js
 delete mode 100644 node_modules/core-js/library/modules/$.global.js
 delete mode 100644 node_modules/core-js/library/modules/$.has.js
 delete mode 100644 node_modules/core-js/library/modules/$.hide.js
 delete mode 100644 node_modules/core-js/library/modules/$.html.js
 delete mode 100644 node_modules/core-js/library/modules/$.invoke.js
 delete mode 100644 node_modules/core-js/library/modules/$.iobject.js
 delete mode 100644 node_modules/core-js/library/modules/$.is-array-iter.js
 delete mode 100644 node_modules/core-js/library/modules/$.is-array.js
 delete mode 100644 node_modules/core-js/library/modules/$.is-integer.js
 delete mode 100644 node_modules/core-js/library/modules/$.is-object.js
 delete mode 100644 node_modules/core-js/library/modules/$.is-regexp.js
 delete mode 100644 node_modules/core-js/library/modules/$.iter-call.js
 delete mode 100644 node_modules/core-js/library/modules/$.iter-create.js
 delete mode 100644 node_modules/core-js/library/modules/$.iter-define.js
 delete mode 100644 node_modules/core-js/library/modules/$.iter-detect.js
 delete mode 100644 node_modules/core-js/library/modules/$.iter-step.js
 delete mode 100644 node_modules/core-js/library/modules/$.iterators.js
 delete mode 100644 node_modules/core-js/library/modules/$.js
 delete mode 100644 node_modules/core-js/library/modules/$.keyof.js
 delete mode 100644 node_modules/core-js/library/modules/$.library.js
 delete mode 100644 node_modules/core-js/library/modules/$.math-expm1.js
 delete mode 100644 node_modules/core-js/library/modules/$.math-log1p.js
 delete mode 100644 node_modules/core-js/library/modules/$.math-sign.js
 delete mode 100644 node_modules/core-js/library/modules/$.microtask.js
 delete mode 100644 node_modules/core-js/library/modules/$.object-assign.js
 delete mode 100644 node_modules/core-js/library/modules/$.object-define.js
 delete mode 100644 node_modules/core-js/library/modules/$.object-sap.js
 delete mode 100644 node_modules/core-js/library/modules/$.object-to-array.js
 delete mode 100644 node_modules/core-js/library/modules/$.own-keys.js
 delete mode 100644 node_modules/core-js/library/modules/$.partial.js
 delete mode 100644 node_modules/core-js/library/modules/$.path.js
 delete mode 100644 node_modules/core-js/library/modules/$.property-desc.js
 delete mode 100644 node_modules/core-js/library/modules/$.redefine-all.js
 delete mode 100644 node_modules/core-js/library/modules/$.redefine.js
 delete mode 100644 node_modules/core-js/library/modules/$.replacer.js
 delete mode 100644 node_modules/core-js/library/modules/$.same-value.js
 delete mode 100644 node_modules/core-js/library/modules/$.set-proto.js
 delete mode 100644 node_modules/core-js/library/modules/$.set-species.js
 delete mode 100644 node_modules/core-js/library/modules/$.set-to-string-tag.js
 delete mode 100644 node_modules/core-js/library/modules/$.shared.js
 delete mode 100644 node_modules/core-js/library/modules/$.species-constructor.js
 delete mode 100644 node_modules/core-js/library/modules/$.strict-new.js
 delete mode 100644 node_modules/core-js/library/modules/$.string-at.js
 delete mode 100644 node_modules/core-js/library/modules/$.string-context.js
 delete mode 100644 node_modules/core-js/library/modules/$.string-pad.js
 delete mode 100644 node_modules/core-js/library/modules/$.string-repeat.js
 delete mode 100644 node_modules/core-js/library/modules/$.string-trim.js
 delete mode 100644 node_modules/core-js/library/modules/$.task.js
 delete mode 100644 node_modules/core-js/library/modules/$.to-index.js
 delete mode 100644 node_modules/core-js/library/modules/$.to-integer.js
 delete mode 100644 node_modules/core-js/library/modules/$.to-iobject.js
 delete mode 100644 node_modules/core-js/library/modules/$.to-length.js
 delete mode 100644 node_modules/core-js/library/modules/$.to-object.js
 delete mode 100644 node_modules/core-js/library/modules/$.to-primitive.js
 delete mode 100644 node_modules/core-js/library/modules/$.typed-array.js
 delete mode 100644 node_modules/core-js/library/modules/$.typed.js
 delete mode 100644 node_modules/core-js/library/modules/$.uid.js
 delete mode 100644 node_modules/core-js/library/modules/$.wks.js
 delete mode 100644 node_modules/core-js/library/modules/core.log.js
 delete mode 100644 node_modules/core-js/library/modules/es7.regexp.escape.js
 delete mode 100644 node_modules/core-js/library/modules/es7.string.pad-left.js
 delete mode 100644 node_modules/core-js/library/modules/es7.string.pad-right.js
 delete mode 100644 node_modules/core-js/library/modules/js.array.statics.js

(limited to 'node_modules/core-js/library/modules')

diff --git a/node_modules/core-js/library/modules/$.a-function.js b/node_modules/core-js/library/modules/$.a-function.js
deleted file mode 100644
index 8c35f4514..000000000
--- a/node_modules/core-js/library/modules/$.a-function.js
+++ /dev/null
@@ -1,4 +0,0 @@
-module.exports = function(it){
-  if(typeof it != 'function')throw TypeError(it + ' is not a function!');
-  return it;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.add-to-unscopables.js b/node_modules/core-js/library/modules/$.add-to-unscopables.js
deleted file mode 100644
index faf87af36..000000000
--- a/node_modules/core-js/library/modules/$.add-to-unscopables.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = function(){ /* empty */ };
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.an-object.js b/node_modules/core-js/library/modules/$.an-object.js
deleted file mode 100644
index e5c808fd6..000000000
--- a/node_modules/core-js/library/modules/$.an-object.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var isObject = require('./$.is-object');
-module.exports = function(it){
-  if(!isObject(it))throw TypeError(it + ' is not an object!');
-  return it;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.array-copy-within.js b/node_modules/core-js/library/modules/$.array-copy-within.js
deleted file mode 100644
index 585630659..000000000
--- a/node_modules/core-js/library/modules/$.array-copy-within.js
+++ /dev/null
@@ -1,27 +0,0 @@
-// 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length)
-'use strict';
-var toObject = require('./$.to-object')
-  , toIndex  = require('./$.to-index')
-  , toLength = require('./$.to-length');
-
-module.exports = [].copyWithin || function copyWithin(target/*= 0*/, start/*= 0, end = @length*/){
-  var O     = toObject(this)
-    , len   = toLength(O.length)
-    , to    = toIndex(target, len)
-    , from  = toIndex(start, len)
-    , $$    = arguments
-    , end   = $$.length > 2 ? $$[2] : undefined
-    , count = Math.min((end === undefined ? len : toIndex(end, len)) - from, len - to)
-    , inc   = 1;
-  if(from < to && to < from + count){
-    inc  = -1;
-    from += count - 1;
-    to   += count - 1;
-  }
-  while(count-- > 0){
-    if(from in O)O[to] = O[from];
-    else delete O[to];
-    to   += inc;
-    from += inc;
-  } return O;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.array-fill.js b/node_modules/core-js/library/modules/$.array-fill.js
deleted file mode 100644
index 6b699df72..000000000
--- a/node_modules/core-js/library/modules/$.array-fill.js
+++ /dev/null
@@ -1,16 +0,0 @@
-// 22.1.3.6 Array.prototype.fill(value, start = 0, end = this.length)
-'use strict';
-var toObject = require('./$.to-object')
-  , toIndex  = require('./$.to-index')
-  , toLength = require('./$.to-length');
-module.exports = [].fill || function fill(value /*, start = 0, end = @length */){
-  var O      = toObject(this)
-    , length = toLength(O.length)
-    , $$     = arguments
-    , $$len  = $$.length
-    , index  = toIndex($$len > 1 ? $$[1] : undefined, length)
-    , end    = $$len > 2 ? $$[2] : undefined
-    , endPos = end === undefined ? length : toIndex(end, length);
-  while(endPos > index)O[index++] = value;
-  return O;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.array-includes.js b/node_modules/core-js/library/modules/$.array-includes.js
deleted file mode 100644
index 9781fca73..000000000
--- a/node_modules/core-js/library/modules/$.array-includes.js
+++ /dev/null
@@ -1,21 +0,0 @@
-// false -> Array#indexOf
-// true  -> Array#includes
-var toIObject = require('./$.to-iobject')
-  , toLength  = require('./$.to-length')
-  , toIndex   = require('./$.to-index');
-module.exports = function(IS_INCLUDES){
-  return function($this, el, fromIndex){
-    var O      = toIObject($this)
-      , length = toLength(O.length)
-      , index  = toIndex(fromIndex, length)
-      , value;
-    // Array#includes uses SameValueZero equality algorithm
-    if(IS_INCLUDES && el != el)while(length > index){
-      value = O[index++];
-      if(value != value)return true;
-    // Array#toIndex ignores holes, Array#includes - not
-    } else for(;length > index; index++)if(IS_INCLUDES || index in O){
-      if(O[index] === el)return IS_INCLUDES || index;
-    } return !IS_INCLUDES && -1;
-  };
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.array-methods.js b/node_modules/core-js/library/modules/$.array-methods.js
deleted file mode 100644
index e70b99f4c..000000000
--- a/node_modules/core-js/library/modules/$.array-methods.js
+++ /dev/null
@@ -1,43 +0,0 @@
-// 0 -> Array#forEach
-// 1 -> Array#map
-// 2 -> Array#filter
-// 3 -> Array#some
-// 4 -> Array#every
-// 5 -> Array#find
-// 6 -> Array#findIndex
-var ctx      = require('./$.ctx')
-  , IObject  = require('./$.iobject')
-  , toObject = require('./$.to-object')
-  , toLength = require('./$.to-length')
-  , asc      = require('./$.array-species-create');
-module.exports = function(TYPE){
-  var IS_MAP        = TYPE == 1
-    , IS_FILTER     = TYPE == 2
-    , IS_SOME       = TYPE == 3
-    , IS_EVERY      = TYPE == 4
-    , IS_FIND_INDEX = TYPE == 6
-    , NO_HOLES      = TYPE == 5 || IS_FIND_INDEX;
-  return function($this, callbackfn, that){
-    var O      = toObject($this)
-      , self   = IObject(O)
-      , f      = ctx(callbackfn, that, 3)
-      , length = toLength(self.length)
-      , index  = 0
-      , result = IS_MAP ? asc($this, length) : IS_FILTER ? asc($this, 0) : undefined
-      , val, res;
-    for(;length > index; index++)if(NO_HOLES || index in self){
-      val = self[index];
-      res = f(val, index, O);
-      if(TYPE){
-        if(IS_MAP)result[index] = res;            // map
-        else if(res)switch(TYPE){
-          case 3: return true;                    // some
-          case 5: return val;                     // find
-          case 6: return index;                   // findIndex
-          case 2: result.push(val);               // filter
-        } else if(IS_EVERY)return false;          // every
-      }
-    }
-    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result;
-  };
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.array-species-create.js b/node_modules/core-js/library/modules/$.array-species-create.js
deleted file mode 100644
index d809cae60..000000000
--- a/node_modules/core-js/library/modules/$.array-species-create.js
+++ /dev/null
@@ -1,16 +0,0 @@
-// 9.4.2.3 ArraySpeciesCreate(originalArray, length)
-var isObject = require('./$.is-object')
-  , isArray  = require('./$.is-array')
-  , SPECIES  = require('./$.wks')('species');
-module.exports = function(original, length){
-  var C;
-  if(isArray(original)){
-    C = original.constructor;
-    // cross-realm fallback
-    if(typeof C == 'function' && (C === Array || isArray(C.prototype)))C = undefined;
-    if(isObject(C)){
-      C = C[SPECIES];
-      if(C === null)C = undefined;
-    }
-  } return new (C === undefined ? Array : C)(length);
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.buffer.js b/node_modules/core-js/library/modules/$.buffer.js
deleted file mode 100644
index d1aae58a4..000000000
--- a/node_modules/core-js/library/modules/$.buffer.js
+++ /dev/null
@@ -1,288 +0,0 @@
-'use strict';
-var $            = require('./$')
-  , global       = require('./$.global')
-  , $typed       = require('./$.typed')
-  , redefineAll  = require('./$.redefine-all')
-  , strictNew    = require('./$.strict-new')
-  , toInteger    = require('./$.to-integer')
-  , toLength     = require('./$.to-length')
-  , arrayFill    = require('./$.array-fill')
-  , $ArrayBuffer = global.ArrayBuffer
-  , $DataView    = global.DataView
-  , Math         = global.Math
-  , parseInt     = global.parseInt
-  , abs          = Math.abs
-  , pow          = Math.pow
-  , min          = Math.min
-  , floor        = Math.floor
-  , log          = Math.log
-  , LN2          = Math.LN2
-  , BYTE_LENGTH  = 'byteLength';
-
-// pack / unpack based on
-// https://github.com/inexorabletash/polyfill/blob/v0.1.11/typedarray.js#L123-L264
-// TODO: simplify
-var signed = function(value, bits){
-  var s = 32 - bits;
-  return value << s >> s;
-};
-var unsigned = function(value, bits){
-  var s = 32 - bits;
-  return value << s >>> s;
-};
-var roundToEven = function(n){
-  var w = floor(n)
-    , f = n - w;
-  return f < .5 ? w : f > .5 ? w + 1 : w % 2 ? w + 1 : w;
-};
-var packI8 = function(n){
-  return [n & 0xff];
-};
-var unpackI8 = function(bytes){
-  return signed(bytes[0], 8);
-};
-var packU8 = function(n){
-  return [n & 0xff];
-};
-var unpackU8 = function(bytes){
-  return unsigned(bytes[0], 8);
-};
-var packI16 = function(n){
-  return [n & 0xff, n >> 8 & 0xff];
-};
-var unpackI16 = function(bytes){
-  return signed(bytes[1] << 8 | bytes[0], 16);
-};
-var packU16 = function(n){
-  return [n & 0xff, n >> 8 & 0xff];
-};
-var unpackU16 = function(bytes){
-  return unsigned(bytes[1] << 8 | bytes[0], 16);
-};
-var packI32 = function(n){
-  return [n & 0xff, n >> 8 & 0xff, n >> 16 & 0xff, n >> 24 & 0xff];
-};
-var unpackI32 = function(bytes){
-  return signed(bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0], 32);
-};
-var packU32 = function(n){
-  return [n & 0xff, n >> 8 & 0xff, n >> 16 & 0xff, n >> 24 & 0xff];
-};
-var unpackU32 = function(bytes){
-  return unsigned(bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0], 32);
-};
-var packIEEE754 = function(v, ebits, fbits) {
-  var bias = (1 << ebits - 1) - 1
-    , s, e, f, i, bits, str, bytes;
-  // Compute sign, exponent, fraction
-  if (v !== v) {
-    // NaN
-    // http://dev.w3.org/2006/webapi/WebIDL/#es-type-mapping
-    e = (1 << ebits) - 1;
-    f = pow(2, fbits - 1);
-    s = 0;
-  } else if(v === Infinity || v === -Infinity){
-    e = (1 << ebits) - 1;
-    f = 0;
-    s = v < 0 ? 1 : 0;
-  } else if(v === 0){
-    e = 0;
-    f = 0;
-    s = 1 / v === -Infinity ? 1 : 0;
-  } else {
-    s = v < 0;
-    v = abs(v);
-    if(v >= pow(2, 1 - bias)){
-      e = min(floor(log(v) / LN2), 1023);
-      var significand = v / pow(2, e);
-      if(significand < 1){
-        e -= 1;
-        significand *= 2;
-      }
-      if(significand >= 2){
-        e += 1;
-        significand /= 2;
-      }
-      f = roundToEven(significand * pow(2, fbits));
-      if(f / pow(2, fbits) >= 2){
-        e = e + 1;
-        f = 1;
-      }
-      if(e > bias){
-        // Overflow
-        e = (1 << ebits) - 1;
-        f = 0;
-      } else {
-        // Normalized
-        e = e + bias;
-        f = f - pow(2, fbits);
-      }
-    } else {
-      // Denormalized
-      e = 0;
-      f = roundToEven(v / pow(2, 1 - bias - fbits));
-    }
-  }
-  // Pack sign, exponent, fraction
-  bits = [];
-  for(i = fbits; i; i -= 1){
-    bits.push(f % 2 ? 1 : 0);
-    f = floor(f / 2);
-  }
-  for(i = ebits; i; i -= 1){
-    bits.push(e % 2 ? 1 : 0);
-    e = floor(e / 2);
-  }
-  bits.push(s ? 1 : 0);
-  bits.reverse();
-  str = bits.join('');
-  // Bits to bytes
-  bytes = [];
-  while(str.length){
-    bytes.unshift(parseInt(str.slice(0, 8), 2));
-    str = str.slice(8);
-  }
-  return bytes;
-};
-var unpackIEEE754 = function(bytes, ebits, fbits){
-  var bits = []
-    , i, j, b, str, bias, s, e, f;
-  for(i = 0; i < bytes.length; ++i)for(b = bytes[i], j = 8; j; --j){
-    bits.push(b % 2 ? 1 : 0);
-    b = b >> 1;
-  }
-  bits.reverse();
-  str = bits.join('');
-  // Unpack sign, exponent, fraction
-  bias = (1 << ebits - 1) - 1;
-  s = parseInt(str.slice(0, 1), 2) ? -1 : 1;
-  e = parseInt(str.slice(1, 1 + ebits), 2);
-  f = parseInt(str.slice(1 + ebits), 2);
-  // Produce number
-  if(e === (1 << ebits) - 1)return f !== 0 ? NaN : s * Infinity;
-  // Normalized
-  else if(e > 0)return s * pow(2, e - bias) * (1 + f / pow(2, fbits));
-  // Denormalized
-  else if(f !== 0)return s * pow(2, -(bias - 1)) * (f / pow(2, fbits));
-  return s < 0 ? -0 : 0;
-};
-var unpackF64 = function(b){
-  return unpackIEEE754(b, 11, 52);
-};
-var packF64 = function(v){
-  return packIEEE754(v, 11, 52);
-};
-var unpackF32 = function(b){
-  return unpackIEEE754(b, 8, 23);
-};
-var packF32 = function(v){
-  return packIEEE754(v, 8, 23);
-};
-
-var addGetter = function(C, key, internal){
-  $.setDesc(C.prototype, key, {get: function(){ return this[internal]; }});
-};
-
-var get = function(view, bytes, index, conversion, isLittleEndian){
-  var numIndex = +index
-    , intIndex = toInteger(numIndex);
-  if(numIndex != intIndex || intIndex < 0 || intIndex + bytes > view._l)throw RangeError();
-  var store = view._b._b
-    , start = intIndex + view._o
-    , pack  = store.slice(start, start + bytes);
-  isLittleEndian || pack.reverse();
-  return conversion(pack);
-};
-var set = function(view, bytes, index, conversion, value, isLittleEndian){
-  var numIndex = +index
-    , intIndex = toInteger(numIndex);
-  if(numIndex != intIndex || intIndex < 0 || intIndex + bytes > view._l)throw RangeError();
-  var store = view._b._b
-    , start = intIndex + view._o
-    , pack  = conversion(+value);
-  isLittleEndian || pack.reverse();
-  for(var i = 0; i < bytes; i++)store[start + i] = pack[i];
-};
-
-if(!$typed.ABV){
-  $ArrayBuffer = function ArrayBuffer(length){
-    strictNew(this, $ArrayBuffer, 'ArrayBuffer');
-    var numberLength = +length
-      , byteLength   = toLength(numberLength);
-    if(numberLength != byteLength)throw RangeError();
-    this._b = arrayFill.call(Array(byteLength), 0);
-    this._l = byteLength;
-  };
-  addGetter($ArrayBuffer, BYTE_LENGTH, '_l');
-
-  $DataView = function DataView(buffer, byteOffset, byteLength){
-    strictNew(this, $DataView, 'DataView');
-    if(!(buffer instanceof $ArrayBuffer))throw TypeError();
-    var bufferLength = buffer._l
-      , offset       = toInteger(byteOffset);
-    if(offset < 0 || offset > bufferLength)throw RangeError();
-    byteLength = byteLength === undefined ? bufferLength - offset : toLength(byteLength);
-    if(offset + byteLength > bufferLength)throw RangeError();
-    this._b = buffer;
-    this._o = offset;
-    this._l = byteLength;
-  };
-  addGetter($DataView, 'buffer', '_b');
-  addGetter($DataView, BYTE_LENGTH, '_l');
-  addGetter($DataView, 'byteOffset', '_o');
-  redefineAll($DataView.prototype, {
-    getInt8: function getInt8(byteOffset){
-      return get(this, 1, byteOffset, unpackI8);
-    },
-    getUint8: function getUint8(byteOffset){
-      return get(this, 1, byteOffset, unpackU8);
-    },
-    getInt16: function getInt16(byteOffset /*, littleEndian */){
-      return get(this, 2, byteOffset, unpackI16, arguments.length > 1 ? arguments[1] : undefined);
-    },
-    getUint16: function getUint16(byteOffset /*, littleEndian */){
-      return get(this, 2, byteOffset, unpackU16, arguments.length > 1 ? arguments[1] : undefined);
-    },
-    getInt32: function getInt32(byteOffset /*, littleEndian */){
-      return get(this, 4, byteOffset, unpackI32, arguments.length > 1 ? arguments[1] : undefined);
-    },
-    getUint32: function getUint32(byteOffset /*, littleEndian */){
-      return get(this, 4, byteOffset, unpackU32, arguments.length > 1 ? arguments[1] : undefined);
-    },
-    getFloat32: function getFloat32(byteOffset /*, littleEndian */){
-      return get(this, 4, byteOffset, unpackF32, arguments.length > 1 ? arguments[1] : undefined);
-    },
-    getFloat64: function getFloat64(byteOffset /*, littleEndian */){
-      return get(this, 8, byteOffset, unpackF64, arguments.length > 1 ? arguments[1] : undefined);
-    },
-    setInt8: function setInt8(byteOffset, value){
-      return set(this, 1, byteOffset, packI8, value);
-    },
-    setUint8: function setUint8(byteOffset, value){
-      return set(this, 1, byteOffset, packU8, value);
-    },
-    setInt16: function setInt16(byteOffset, value /*, littleEndian */){
-      return set(this, 2, byteOffset, packI16, value, arguments.length > 2 ? arguments[2] : undefined);
-    },
-    setUint16: function setUint16(byteOffset, value /*, littleEndian */){
-      return set(this, 2, byteOffset, packU16, value, arguments.length > 2 ? arguments[2] : undefined);
-    },
-    setInt32: function setInt32(byteOffset, value /*, littleEndian */){
-      return set(this, 4, byteOffset, packI32, value, arguments.length > 2 ? arguments[2] : undefined);
-    },
-    setUint32: function setUint32(byteOffset, value /*, littleEndian */){
-      return set(this, 4, byteOffset, packU32, value, arguments.length > 2 ? arguments[2] : undefined);
-    },
-    setFloat32: function setFloat32(byteOffset, value /*, littleEndian */){
-      return set(this, 4, byteOffset, packF32, value, arguments.length > 2 ? arguments[2] : undefined);
-    },
-    setFloat64: function setFloat64(byteOffset, value /*, littleEndian */){
-      return set(this, 8, byteOffset, packF64, value, arguments.length > 2 ? arguments[2] : undefined);
-    }
-  });
-}
-require('./$.hide')($DataView.prototype, $typed.VIEW, true);
-module.exports = {
-  ArrayBuffer: $ArrayBuffer,
-  DataView:    $DataView
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.classof.js b/node_modules/core-js/library/modules/$.classof.js
deleted file mode 100644
index 905c61f7a..000000000
--- a/node_modules/core-js/library/modules/$.classof.js
+++ /dev/null
@@ -1,16 +0,0 @@
-// getting tag from 19.1.3.6 Object.prototype.toString()
-var cof = require('./$.cof')
-  , TAG = require('./$.wks')('toStringTag')
-  // ES3 wrong here
-  , ARG = cof(function(){ return arguments; }()) == 'Arguments';
-
-module.exports = function(it){
-  var O, T, B;
-  return it === undefined ? 'Undefined' : it === null ? 'Null'
-    // @@toStringTag case
-    : typeof (T = (O = Object(it))[TAG]) == 'string' ? T
-    // builtinTag case
-    : ARG ? cof(O)
-    // ES3 arguments fallback
-    : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.cof.js b/node_modules/core-js/library/modules/$.cof.js
deleted file mode 100644
index 1dd2779a7..000000000
--- a/node_modules/core-js/library/modules/$.cof.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var toString = {}.toString;
-
-module.exports = function(it){
-  return toString.call(it).slice(8, -1);
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.collection-strong.js b/node_modules/core-js/library/modules/$.collection-strong.js
deleted file mode 100644
index 54df55a65..000000000
--- a/node_modules/core-js/library/modules/$.collection-strong.js
+++ /dev/null
@@ -1,159 +0,0 @@
-'use strict';
-var $            = require('./$')
-  , hide         = require('./$.hide')
-  , redefineAll  = require('./$.redefine-all')
-  , ctx          = require('./$.ctx')
-  , strictNew    = require('./$.strict-new')
-  , defined      = require('./$.defined')
-  , forOf        = require('./$.for-of')
-  , $iterDefine  = require('./$.iter-define')
-  , step         = require('./$.iter-step')
-  , ID           = require('./$.uid')('id')
-  , $has         = require('./$.has')
-  , isObject     = require('./$.is-object')
-  , setSpecies   = require('./$.set-species')
-  , DESCRIPTORS  = require('./$.descriptors')
-  , isExtensible = Object.isExtensible || isObject
-  , SIZE         = DESCRIPTORS ? '_s' : 'size'
-  , id           = 0;
-
-var fastKey = function(it, create){
-  // return primitive with prefix
-  if(!isObject(it))return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
-  if(!$has(it, ID)){
-    // can't set id to frozen object
-    if(!isExtensible(it))return 'F';
-    // not necessary to add id
-    if(!create)return 'E';
-    // add missing object id
-    hide(it, ID, ++id);
-  // return object id with prefix
-  } return 'O' + it[ID];
-};
-
-var getEntry = function(that, key){
-  // fast case
-  var index = fastKey(key), entry;
-  if(index !== 'F')return that._i[index];
-  // frozen object case
-  for(entry = that._f; entry; entry = entry.n){
-    if(entry.k == key)return entry;
-  }
-};
-
-module.exports = {
-  getConstructor: function(wrapper, NAME, IS_MAP, ADDER){
-    var C = wrapper(function(that, iterable){
-      strictNew(that, C, NAME);
-      that._i = $.create(null); // index
-      that._f = undefined;      // first entry
-      that._l = undefined;      // last entry
-      that[SIZE] = 0;           // size
-      if(iterable != undefined)forOf(iterable, IS_MAP, that[ADDER], that);
-    });
-    redefineAll(C.prototype, {
-      // 23.1.3.1 Map.prototype.clear()
-      // 23.2.3.2 Set.prototype.clear()
-      clear: function clear(){
-        for(var that = this, data = that._i, entry = that._f; entry; entry = entry.n){
-          entry.r = true;
-          if(entry.p)entry.p = entry.p.n = undefined;
-          delete data[entry.i];
-        }
-        that._f = that._l = undefined;
-        that[SIZE] = 0;
-      },
-      // 23.1.3.3 Map.prototype.delete(key)
-      // 23.2.3.4 Set.prototype.delete(value)
-      'delete': function(key){
-        var that  = this
-          , entry = getEntry(that, key);
-        if(entry){
-          var next = entry.n
-            , prev = entry.p;
-          delete that._i[entry.i];
-          entry.r = true;
-          if(prev)prev.n = next;
-          if(next)next.p = prev;
-          if(that._f == entry)that._f = next;
-          if(that._l == entry)that._l = prev;
-          that[SIZE]--;
-        } return !!entry;
-      },
-      // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)
-      // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)
-      forEach: function forEach(callbackfn /*, that = undefined */){
-        var f = ctx(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3)
-          , entry;
-        while(entry = entry ? entry.n : this._f){
-          f(entry.v, entry.k, this);
-          // revert to the last existing entry
-          while(entry && entry.r)entry = entry.p;
-        }
-      },
-      // 23.1.3.7 Map.prototype.has(key)
-      // 23.2.3.7 Set.prototype.has(value)
-      has: function has(key){
-        return !!getEntry(this, key);
-      }
-    });
-    if(DESCRIPTORS)$.setDesc(C.prototype, 'size', {
-      get: function(){
-        return defined(this[SIZE]);
-      }
-    });
-    return C;
-  },
-  def: function(that, key, value){
-    var entry = getEntry(that, key)
-      , prev, index;
-    // change existing entry
-    if(entry){
-      entry.v = value;
-    // create new entry
-    } else {
-      that._l = entry = {
-        i: index = fastKey(key, true), // <- index
-        k: key,                        // <- key
-        v: value,                      // <- value
-        p: prev = that._l,             // <- previous entry
-        n: undefined,                  // <- next entry
-        r: false                       // <- removed
-      };
-      if(!that._f)that._f = entry;
-      if(prev)prev.n = entry;
-      that[SIZE]++;
-      // add to index
-      if(index !== 'F')that._i[index] = entry;
-    } return that;
-  },
-  getEntry: getEntry,
-  setStrong: function(C, NAME, IS_MAP){
-    // add .keys, .values, .entries, [@@iterator]
-    // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11
-    $iterDefine(C, NAME, function(iterated, kind){
-      this._t = iterated;  // target
-      this._k = kind;      // kind
-      this._l = undefined; // previous
-    }, function(){
-      var that  = this
-        , kind  = that._k
-        , entry = that._l;
-      // revert to the last existing entry
-      while(entry && entry.r)entry = entry.p;
-      // get next entry
-      if(!that._t || !(that._l = entry = entry ? entry.n : that._t._f)){
-        // or finish the iteration
-        that._t = undefined;
-        return step(1);
-      }
-      // return step by kind
-      if(kind == 'keys'  )return step(0, entry.k);
-      if(kind == 'values')return step(0, entry.v);
-      return step(0, [entry.k, entry.v]);
-    }, IS_MAP ? 'entries' : 'values' , !IS_MAP, true);
-
-    // add [@@species], 23.1.2.2, 23.2.2.2
-    setSpecies(NAME);
-  }
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.collection-to-json.js b/node_modules/core-js/library/modules/$.collection-to-json.js
deleted file mode 100644
index 41f2e6ec7..000000000
--- a/node_modules/core-js/library/modules/$.collection-to-json.js
+++ /dev/null
@@ -1,11 +0,0 @@
-// https://github.com/DavidBruant/Map-Set.prototype.toJSON
-var forOf   = require('./$.for-of')
-  , classof = require('./$.classof');
-module.exports = function(NAME){
-  return function toJSON(){
-    if(classof(this) != NAME)throw TypeError(NAME + "#toJSON isn't generic");
-    var arr = [];
-    forOf(this, false, arr.push, arr);
-    return arr;
-  };
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.collection-weak.js b/node_modules/core-js/library/modules/$.collection-weak.js
deleted file mode 100644
index 384fb39dc..000000000
--- a/node_modules/core-js/library/modules/$.collection-weak.js
+++ /dev/null
@@ -1,86 +0,0 @@
-'use strict';
-var hide              = require('./$.hide')
-  , redefineAll       = require('./$.redefine-all')
-  , anObject          = require('./$.an-object')
-  , isObject          = require('./$.is-object')
-  , strictNew         = require('./$.strict-new')
-  , forOf             = require('./$.for-of')
-  , createArrayMethod = require('./$.array-methods')
-  , $has              = require('./$.has')
-  , WEAK              = require('./$.uid')('weak')
-  , isExtensible      = Object.isExtensible || isObject
-  , arrayFind         = createArrayMethod(5)
-  , arrayFindIndex    = createArrayMethod(6)
-  , id                = 0;
-
-// fallback for frozen keys
-var frozenStore = function(that){
-  return that._l || (that._l = new FrozenStore);
-};
-var FrozenStore = function(){
-  this.a = [];
-};
-var findFrozen = function(store, key){
-  return arrayFind(store.a, function(it){
-    return it[0] === key;
-  });
-};
-FrozenStore.prototype = {
-  get: function(key){
-    var entry = findFrozen(this, key);
-    if(entry)return entry[1];
-  },
-  has: function(key){
-    return !!findFrozen(this, key);
-  },
-  set: function(key, value){
-    var entry = findFrozen(this, key);
-    if(entry)entry[1] = value;
-    else this.a.push([key, value]);
-  },
-  'delete': function(key){
-    var index = arrayFindIndex(this.a, function(it){
-      return it[0] === key;
-    });
-    if(~index)this.a.splice(index, 1);
-    return !!~index;
-  }
-};
-
-module.exports = {
-  getConstructor: function(wrapper, NAME, IS_MAP, ADDER){
-    var C = wrapper(function(that, iterable){
-      strictNew(that, C, NAME);
-      that._i = id++;      // collection id
-      that._l = undefined; // leak store for frozen objects
-      if(iterable != undefined)forOf(iterable, IS_MAP, that[ADDER], that);
-    });
-    redefineAll(C.prototype, {
-      // 23.3.3.2 WeakMap.prototype.delete(key)
-      // 23.4.3.3 WeakSet.prototype.delete(value)
-      'delete': function(key){
-        if(!isObject(key))return false;
-        if(!isExtensible(key))return frozenStore(this)['delete'](key);
-        return $has(key, WEAK) && $has(key[WEAK], this._i) && delete key[WEAK][this._i];
-      },
-      // 23.3.3.4 WeakMap.prototype.has(key)
-      // 23.4.3.4 WeakSet.prototype.has(value)
-      has: function has(key){
-        if(!isObject(key))return false;
-        if(!isExtensible(key))return frozenStore(this).has(key);
-        return $has(key, WEAK) && $has(key[WEAK], this._i);
-      }
-    });
-    return C;
-  },
-  def: function(that, key, value){
-    if(!isExtensible(anObject(key))){
-      frozenStore(that).set(key, value);
-    } else {
-      $has(key, WEAK) || hide(key, WEAK, {});
-      key[WEAK][that._i] = value;
-    } return that;
-  },
-  frozenStore: frozenStore,
-  WEAK: WEAK
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.collection.js b/node_modules/core-js/library/modules/$.collection.js
deleted file mode 100644
index 9d234d135..000000000
--- a/node_modules/core-js/library/modules/$.collection.js
+++ /dev/null
@@ -1,55 +0,0 @@
-'use strict';
-var $              = require('./$')
-  , global         = require('./$.global')
-  , $export        = require('./$.export')
-  , fails          = require('./$.fails')
-  , hide           = require('./$.hide')
-  , redefineAll    = require('./$.redefine-all')
-  , forOf          = require('./$.for-of')
-  , strictNew      = require('./$.strict-new')
-  , isObject       = require('./$.is-object')
-  , setToStringTag = require('./$.set-to-string-tag')
-  , DESCRIPTORS    = require('./$.descriptors');
-
-module.exports = function(NAME, wrapper, methods, common, IS_MAP, IS_WEAK){
-  var Base  = global[NAME]
-    , C     = Base
-    , ADDER = IS_MAP ? 'set' : 'add'
-    , proto = C && C.prototype
-    , O     = {};
-  if(!DESCRIPTORS || typeof C != 'function' || !(IS_WEAK || proto.forEach && !fails(function(){
-    new C().entries().next();
-  }))){
-    // create collection constructor
-    C = common.getConstructor(wrapper, NAME, IS_MAP, ADDER);
-    redefineAll(C.prototype, methods);
-  } else {
-    C = wrapper(function(target, iterable){
-      strictNew(target, C, NAME);
-      target._c = new Base;
-      if(iterable != undefined)forOf(iterable, IS_MAP, target[ADDER], target);
-    });
-    $.each.call('add,clear,delete,forEach,get,has,set,keys,values,entries'.split(','),function(KEY){
-      var IS_ADDER = KEY == 'add' || KEY == 'set';
-      if(KEY in proto && !(IS_WEAK && KEY == 'clear'))hide(C.prototype, KEY, function(a, b){
-        if(!IS_ADDER && IS_WEAK && !isObject(a))return KEY == 'get' ? undefined : false;
-        var result = this._c[KEY](a === 0 ? 0 : a, b);
-        return IS_ADDER ? this : result;
-      });
-    });
-    if('size' in proto)$.setDesc(C.prototype, 'size', {
-      get: function(){
-        return this._c.size;
-      }
-    });
-  }
-
-  setToStringTag(C, NAME);
-
-  O[NAME] = C;
-  $export($export.G + $export.W + $export.F, O);
-
-  if(!IS_WEAK)common.setStrong(C, NAME, IS_MAP);
-
-  return C;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.core.js b/node_modules/core-js/library/modules/$.core.js
deleted file mode 100644
index 4e2a0b595..000000000
--- a/node_modules/core-js/library/modules/$.core.js
+++ /dev/null
@@ -1,2 +0,0 @@
-var core = module.exports = {version: '1.2.6'};
-if(typeof __e == 'number')__e = core; // eslint-disable-line no-undef
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.ctx.js b/node_modules/core-js/library/modules/$.ctx.js
deleted file mode 100644
index d233574ac..000000000
--- a/node_modules/core-js/library/modules/$.ctx.js
+++ /dev/null
@@ -1,20 +0,0 @@
-// optional / simple context binding
-var aFunction = require('./$.a-function');
-module.exports = function(fn, that, length){
-  aFunction(fn);
-  if(that === undefined)return fn;
-  switch(length){
-    case 1: return function(a){
-      return fn.call(that, a);
-    };
-    case 2: return function(a, b){
-      return fn.call(that, a, b);
-    };
-    case 3: return function(a, b, c){
-      return fn.call(that, a, b, c);
-    };
-  }
-  return function(/* ...args */){
-    return fn.apply(that, arguments);
-  };
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.defined.js b/node_modules/core-js/library/modules/$.defined.js
deleted file mode 100644
index cfa476b96..000000000
--- a/node_modules/core-js/library/modules/$.defined.js
+++ /dev/null
@@ -1,5 +0,0 @@
-// 7.2.1 RequireObjectCoercible(argument)
-module.exports = function(it){
-  if(it == undefined)throw TypeError("Can't call method on  " + it);
-  return it;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.descriptors.js b/node_modules/core-js/library/modules/$.descriptors.js
deleted file mode 100644
index 9cd47b7df..000000000
--- a/node_modules/core-js/library/modules/$.descriptors.js
+++ /dev/null
@@ -1,4 +0,0 @@
-// Thank's IE8 for his funny defineProperty
-module.exports = !require('./$.fails')(function(){
-  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;
-});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.dom-create.js b/node_modules/core-js/library/modules/$.dom-create.js
deleted file mode 100644
index 240842d29..000000000
--- a/node_modules/core-js/library/modules/$.dom-create.js
+++ /dev/null
@@ -1,7 +0,0 @@
-var isObject = require('./$.is-object')
-  , document = require('./$.global').document
-  // in old IE typeof document.createElement is 'object'
-  , is = isObject(document) && isObject(document.createElement);
-module.exports = function(it){
-  return is ? document.createElement(it) : {};
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.enum-keys.js b/node_modules/core-js/library/modules/$.enum-keys.js
deleted file mode 100644
index 06f7de7af..000000000
--- a/node_modules/core-js/library/modules/$.enum-keys.js
+++ /dev/null
@@ -1,14 +0,0 @@
-// all enumerable object keys, includes symbols
-var $ = require('./$');
-module.exports = function(it){
-  var keys       = $.getKeys(it)
-    , getSymbols = $.getSymbols;
-  if(getSymbols){
-    var symbols = getSymbols(it)
-      , isEnum  = $.isEnum
-      , i       = 0
-      , key;
-    while(symbols.length > i)if(isEnum.call(it, key = symbols[i++]))keys.push(key);
-  }
-  return keys;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.export.js b/node_modules/core-js/library/modules/$.export.js
deleted file mode 100644
index 507b5a226..000000000
--- a/node_modules/core-js/library/modules/$.export.js
+++ /dev/null
@@ -1,46 +0,0 @@
-var global    = require('./$.global')
-  , core      = require('./$.core')
-  , ctx       = require('./$.ctx')
-  , PROTOTYPE = 'prototype';
-
-var $export = function(type, name, source){
-  var IS_FORCED = type & $export.F
-    , IS_GLOBAL = type & $export.G
-    , IS_STATIC = type & $export.S
-    , IS_PROTO  = type & $export.P
-    , IS_BIND   = type & $export.B
-    , IS_WRAP   = type & $export.W
-    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})
-    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]
-    , key, own, out;
-  if(IS_GLOBAL)source = name;
-  for(key in source){
-    // contains in native
-    own = !IS_FORCED && target && key in target;
-    if(own && key in exports)continue;
-    // export native or passed
-    out = own ? target[key] : source[key];
-    // prevent global pollution for namespaces
-    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
-    // bind timers to global for call from export context
-    : IS_BIND && own ? ctx(out, global)
-    // wrap global constructors for prevent change them in library
-    : IS_WRAP && target[key] == out ? (function(C){
-      var F = function(param){
-        return this instanceof C ? new C(param) : C(param);
-      };
-      F[PROTOTYPE] = C[PROTOTYPE];
-      return F;
-    // make static versions for prototype methods
-    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;
-    if(IS_PROTO)(exports[PROTOTYPE] || (exports[PROTOTYPE] = {}))[key] = out;
-  }
-};
-// type bitmap
-$export.F = 1;  // forced
-$export.G = 2;  // global
-$export.S = 4;  // static
-$export.P = 8;  // proto
-$export.B = 16; // bind
-$export.W = 32; // wrap
-module.exports = $export;
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.fails-is-regexp.js b/node_modules/core-js/library/modules/$.fails-is-regexp.js
deleted file mode 100644
index c459a77ab..000000000
--- a/node_modules/core-js/library/modules/$.fails-is-regexp.js
+++ /dev/null
@@ -1,12 +0,0 @@
-var MATCH = require('./$.wks')('match');
-module.exports = function(KEY){
-  var re = /./;
-  try {
-    '/./'[KEY](re);
-  } catch(e){
-    try {
-      re[MATCH] = false;
-      return !'/./'[KEY](re);
-    } catch(f){ /* empty */ }
-  } return true;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.fails.js b/node_modules/core-js/library/modules/$.fails.js
deleted file mode 100644
index 184e5ea84..000000000
--- a/node_modules/core-js/library/modules/$.fails.js
+++ /dev/null
@@ -1,7 +0,0 @@
-module.exports = function(exec){
-  try {
-    return !!exec();
-  } catch(e){
-    return true;
-  }
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.fix-re-wks.js b/node_modules/core-js/library/modules/$.fix-re-wks.js
deleted file mode 100644
index 3597a8985..000000000
--- a/node_modules/core-js/library/modules/$.fix-re-wks.js
+++ /dev/null
@@ -1,26 +0,0 @@
-'use strict';
-var hide     = require('./$.hide')
-  , redefine = require('./$.redefine')
-  , fails    = require('./$.fails')
-  , defined  = require('./$.defined')
-  , wks      = require('./$.wks');
-
-module.exports = function(KEY, length, exec){
-  var SYMBOL   = wks(KEY)
-    , original = ''[KEY];
-  if(fails(function(){
-    var O = {};
-    O[SYMBOL] = function(){ return 7; };
-    return ''[KEY](O) != 7;
-  })){
-    redefine(String.prototype, KEY, exec(defined, SYMBOL, original));
-    hide(RegExp.prototype, SYMBOL, length == 2
-      // 21.2.5.8 RegExp.prototype[@@replace](string, replaceValue)
-      // 21.2.5.11 RegExp.prototype[@@split](string, limit)
-      ? function(string, arg){ return original.call(string, this, arg); }
-      // 21.2.5.6 RegExp.prototype[@@match](string)
-      // 21.2.5.9 RegExp.prototype[@@search](string)
-      : function(string){ return original.call(string, this); }
-    );
-  }
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.flags.js b/node_modules/core-js/library/modules/$.flags.js
deleted file mode 100644
index fc20e5deb..000000000
--- a/node_modules/core-js/library/modules/$.flags.js
+++ /dev/null
@@ -1,13 +0,0 @@
-'use strict';
-// 21.2.5.3 get RegExp.prototype.flags
-var anObject = require('./$.an-object');
-module.exports = function(){
-  var that   = anObject(this)
-    , result = '';
-  if(that.global)     result += 'g';
-  if(that.ignoreCase) result += 'i';
-  if(that.multiline)  result += 'm';
-  if(that.unicode)    result += 'u';
-  if(that.sticky)     result += 'y';
-  return result;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.for-of.js b/node_modules/core-js/library/modules/$.for-of.js
deleted file mode 100644
index 0f2d8e974..000000000
--- a/node_modules/core-js/library/modules/$.for-of.js
+++ /dev/null
@@ -1,19 +0,0 @@
-var ctx         = require('./$.ctx')
-  , call        = require('./$.iter-call')
-  , isArrayIter = require('./$.is-array-iter')
-  , anObject    = require('./$.an-object')
-  , toLength    = require('./$.to-length')
-  , getIterFn   = require('./core.get-iterator-method');
-module.exports = function(iterable, entries, fn, that){
-  var iterFn = getIterFn(iterable)
-    , f      = ctx(fn, that, entries ? 2 : 1)
-    , index  = 0
-    , length, step, iterator;
-  if(typeof iterFn != 'function')throw TypeError(iterable + ' is not iterable!');
-  // fast case for arrays with default iterator
-  if(isArrayIter(iterFn))for(length = toLength(iterable.length); length > index; index++){
-    entries ? f(anObject(step = iterable[index])[0], step[1]) : f(iterable[index]);
-  } else for(iterator = iterFn.call(iterable); !(step = iterator.next()).done; ){
-    call(iterator, f, step.value, entries);
-  }
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.get-names.js b/node_modules/core-js/library/modules/$.get-names.js
deleted file mode 100644
index 282097140..000000000
--- a/node_modules/core-js/library/modules/$.get-names.js
+++ /dev/null
@@ -1,20 +0,0 @@
-// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
-var toIObject = require('./$.to-iobject')
-  , getNames  = require('./$').getNames
-  , toString  = {}.toString;
-
-var windowNames = typeof window == 'object' && Object.getOwnPropertyNames
-  ? Object.getOwnPropertyNames(window) : [];
-
-var getWindowNames = function(it){
-  try {
-    return getNames(it);
-  } catch(e){
-    return windowNames.slice();
-  }
-};
-
-module.exports.get = function getOwnPropertyNames(it){
-  if(windowNames && toString.call(it) == '[object Window]')return getWindowNames(it);
-  return getNames(toIObject(it));
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.global.js b/node_modules/core-js/library/modules/$.global.js
deleted file mode 100644
index df6efb476..000000000
--- a/node_modules/core-js/library/modules/$.global.js
+++ /dev/null
@@ -1,4 +0,0 @@
-// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
-var global = module.exports = typeof window != 'undefined' && window.Math == Math
-  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();
-if(typeof __g == 'number')__g = global; // eslint-disable-line no-undef
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.has.js b/node_modules/core-js/library/modules/$.has.js
deleted file mode 100644
index 870b40e71..000000000
--- a/node_modules/core-js/library/modules/$.has.js
+++ /dev/null
@@ -1,4 +0,0 @@
-var hasOwnProperty = {}.hasOwnProperty;
-module.exports = function(it, key){
-  return hasOwnProperty.call(it, key);
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.hide.js b/node_modules/core-js/library/modules/$.hide.js
deleted file mode 100644
index ba025d81d..000000000
--- a/node_modules/core-js/library/modules/$.hide.js
+++ /dev/null
@@ -1,8 +0,0 @@
-var $          = require('./$')
-  , createDesc = require('./$.property-desc');
-module.exports = require('./$.descriptors') ? function(object, key, value){
-  return $.setDesc(object, key, createDesc(1, value));
-} : function(object, key, value){
-  object[key] = value;
-  return object;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.html.js b/node_modules/core-js/library/modules/$.html.js
deleted file mode 100644
index 499bd2f31..000000000
--- a/node_modules/core-js/library/modules/$.html.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = require('./$.global').document && document.documentElement;
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.invoke.js b/node_modules/core-js/library/modules/$.invoke.js
deleted file mode 100644
index 08e307fd0..000000000
--- a/node_modules/core-js/library/modules/$.invoke.js
+++ /dev/null
@@ -1,16 +0,0 @@
-// fast apply, http://jsperf.lnkit.com/fast-apply/5
-module.exports = function(fn, args, that){
-  var un = that === undefined;
-  switch(args.length){
-    case 0: return un ? fn()
-                      : fn.call(that);
-    case 1: return un ? fn(args[0])
-                      : fn.call(that, args[0]);
-    case 2: return un ? fn(args[0], args[1])
-                      : fn.call(that, args[0], args[1]);
-    case 3: return un ? fn(args[0], args[1], args[2])
-                      : fn.call(that, args[0], args[1], args[2]);
-    case 4: return un ? fn(args[0], args[1], args[2], args[3])
-                      : fn.call(that, args[0], args[1], args[2], args[3]);
-  } return              fn.apply(that, args);
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.iobject.js b/node_modules/core-js/library/modules/$.iobject.js
deleted file mode 100644
index cea38fab4..000000000
--- a/node_modules/core-js/library/modules/$.iobject.js
+++ /dev/null
@@ -1,5 +0,0 @@
-// fallback for non-array-like ES3 and non-enumerable old V8 strings
-var cof = require('./$.cof');
-module.exports = Object('z').propertyIsEnumerable(0) ? Object : function(it){
-  return cof(it) == 'String' ? it.split('') : Object(it);
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.is-array-iter.js b/node_modules/core-js/library/modules/$.is-array-iter.js
deleted file mode 100644
index b6ef7017b..000000000
--- a/node_modules/core-js/library/modules/$.is-array-iter.js
+++ /dev/null
@@ -1,8 +0,0 @@
-// check on default Array iterator
-var Iterators  = require('./$.iterators')
-  , ITERATOR   = require('./$.wks')('iterator')
-  , ArrayProto = Array.prototype;
-
-module.exports = function(it){
-  return it !== undefined && (Iterators.Array === it || ArrayProto[ITERATOR] === it);
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.is-array.js b/node_modules/core-js/library/modules/$.is-array.js
deleted file mode 100644
index 8168b21ce..000000000
--- a/node_modules/core-js/library/modules/$.is-array.js
+++ /dev/null
@@ -1,5 +0,0 @@
-// 7.2.2 IsArray(argument)
-var cof = require('./$.cof');
-module.exports = Array.isArray || function(arg){
-  return cof(arg) == 'Array';
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.is-integer.js b/node_modules/core-js/library/modules/$.is-integer.js
deleted file mode 100644
index b51e1317e..000000000
--- a/node_modules/core-js/library/modules/$.is-integer.js
+++ /dev/null
@@ -1,6 +0,0 @@
-// 20.1.2.3 Number.isInteger(number)
-var isObject = require('./$.is-object')
-  , floor    = Math.floor;
-module.exports = function isInteger(it){
-  return !isObject(it) && isFinite(it) && floor(it) === it;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.is-object.js b/node_modules/core-js/library/modules/$.is-object.js
deleted file mode 100644
index ee694be2f..000000000
--- a/node_modules/core-js/library/modules/$.is-object.js
+++ /dev/null
@@ -1,3 +0,0 @@
-module.exports = function(it){
-  return typeof it === 'object' ? it !== null : typeof it === 'function';
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.is-regexp.js b/node_modules/core-js/library/modules/$.is-regexp.js
deleted file mode 100644
index 9ea2aad74..000000000
--- a/node_modules/core-js/library/modules/$.is-regexp.js
+++ /dev/null
@@ -1,8 +0,0 @@
-// 7.2.8 IsRegExp(argument)
-var isObject = require('./$.is-object')
-  , cof      = require('./$.cof')
-  , MATCH    = require('./$.wks')('match');
-module.exports = function(it){
-  var isRegExp;
-  return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : cof(it) == 'RegExp');
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.iter-call.js b/node_modules/core-js/library/modules/$.iter-call.js
deleted file mode 100644
index e6b9d1b1f..000000000
--- a/node_modules/core-js/library/modules/$.iter-call.js
+++ /dev/null
@@ -1,12 +0,0 @@
-// call something on iterator step with safe closing on error
-var anObject = require('./$.an-object');
-module.exports = function(iterator, fn, value, entries){
-  try {
-    return entries ? fn(anObject(value)[0], value[1]) : fn(value);
-  // 7.4.6 IteratorClose(iterator, completion)
-  } catch(e){
-    var ret = iterator['return'];
-    if(ret !== undefined)anObject(ret.call(iterator));
-    throw e;
-  }
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.iter-create.js b/node_modules/core-js/library/modules/$.iter-create.js
deleted file mode 100644
index adebcf9a4..000000000
--- a/node_modules/core-js/library/modules/$.iter-create.js
+++ /dev/null
@@ -1,13 +0,0 @@
-'use strict';
-var $              = require('./$')
-  , descriptor     = require('./$.property-desc')
-  , setToStringTag = require('./$.set-to-string-tag')
-  , IteratorPrototype = {};
-
-// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
-require('./$.hide')(IteratorPrototype, require('./$.wks')('iterator'), function(){ return this; });
-
-module.exports = function(Constructor, NAME, next){
-  Constructor.prototype = $.create(IteratorPrototype, {next: descriptor(1, next)});
-  setToStringTag(Constructor, NAME + ' Iterator');
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.iter-define.js b/node_modules/core-js/library/modules/$.iter-define.js
deleted file mode 100644
index 630cdf385..000000000
--- a/node_modules/core-js/library/modules/$.iter-define.js
+++ /dev/null
@@ -1,66 +0,0 @@
-'use strict';
-var LIBRARY        = require('./$.library')
-  , $export        = require('./$.export')
-  , redefine       = require('./$.redefine')
-  , hide           = require('./$.hide')
-  , has            = require('./$.has')
-  , Iterators      = require('./$.iterators')
-  , $iterCreate    = require('./$.iter-create')
-  , setToStringTag = require('./$.set-to-string-tag')
-  , getProto       = require('./$').getProto
-  , ITERATOR       = require('./$.wks')('iterator')
-  , BUGGY          = !([].keys && 'next' in [].keys()) // Safari has buggy iterators w/o `next`
-  , FF_ITERATOR    = '@@iterator'
-  , KEYS           = 'keys'
-  , VALUES         = 'values';
-
-var returnThis = function(){ return this; };
-
-module.exports = function(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED){
-  $iterCreate(Constructor, NAME, next);
-  var getMethod = function(kind){
-    if(!BUGGY && kind in proto)return proto[kind];
-    switch(kind){
-      case KEYS: return function keys(){ return new Constructor(this, kind); };
-      case VALUES: return function values(){ return new Constructor(this, kind); };
-    } return function entries(){ return new Constructor(this, kind); };
-  };
-  var TAG        = NAME + ' Iterator'
-    , DEF_VALUES = DEFAULT == VALUES
-    , VALUES_BUG = false
-    , proto      = Base.prototype
-    , $native    = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT]
-    , $default   = $native || getMethod(DEFAULT)
-    , methods, key;
-  // Fix native
-  if($native){
-    var IteratorPrototype = getProto($default.call(new Base));
-    // Set @@toStringTag to native iterators
-    setToStringTag(IteratorPrototype, TAG, true);
-    // FF fix
-    if(!LIBRARY && has(proto, FF_ITERATOR))hide(IteratorPrototype, ITERATOR, returnThis);
-    // fix Array#{values, @@iterator}.name in V8 / FF
-    if(DEF_VALUES && $native.name !== VALUES){
-      VALUES_BUG = true;
-      $default = function values(){ return $native.call(this); };
-    }
-  }
-  // Define iterator
-  if((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])){
-    hide(proto, ITERATOR, $default);
-  }
-  // Plug for library
-  Iterators[NAME] = $default;
-  Iterators[TAG]  = returnThis;
-  if(DEFAULT){
-    methods = {
-      values:  DEF_VALUES  ? $default : getMethod(VALUES),
-      keys:    IS_SET      ? $default : getMethod(KEYS),
-      entries: !DEF_VALUES ? $default : getMethod('entries')
-    };
-    if(FORCED)for(key in methods){
-      if(!(key in proto))redefine(proto, key, methods[key]);
-    } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);
-  }
-  return methods;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.iter-detect.js b/node_modules/core-js/library/modules/$.iter-detect.js
deleted file mode 100644
index bff5fffb4..000000000
--- a/node_modules/core-js/library/modules/$.iter-detect.js
+++ /dev/null
@@ -1,21 +0,0 @@
-var ITERATOR     = require('./$.wks')('iterator')
-  , SAFE_CLOSING = false;
-
-try {
-  var riter = [7][ITERATOR]();
-  riter['return'] = function(){ SAFE_CLOSING = true; };
-  Array.from(riter, function(){ throw 2; });
-} catch(e){ /* empty */ }
-
-module.exports = function(exec, skipClosing){
-  if(!skipClosing && !SAFE_CLOSING)return false;
-  var safe = false;
-  try {
-    var arr  = [7]
-      , iter = arr[ITERATOR]();
-    iter.next = function(){ return {done: safe = true}; };
-    arr[ITERATOR] = function(){ return iter; };
-    exec(arr);
-  } catch(e){ /* empty */ }
-  return safe;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.iter-step.js b/node_modules/core-js/library/modules/$.iter-step.js
deleted file mode 100644
index 6ff0dc518..000000000
--- a/node_modules/core-js/library/modules/$.iter-step.js
+++ /dev/null
@@ -1,3 +0,0 @@
-module.exports = function(done, value){
-  return {value: value, done: !!done};
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.iterators.js b/node_modules/core-js/library/modules/$.iterators.js
deleted file mode 100644
index a09954537..000000000
--- a/node_modules/core-js/library/modules/$.iterators.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = {};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.js b/node_modules/core-js/library/modules/$.js
deleted file mode 100644
index 053bae48c..000000000
--- a/node_modules/core-js/library/modules/$.js
+++ /dev/null
@@ -1,13 +0,0 @@
-var $Object = Object;
-module.exports = {
-  create:     $Object.create,
-  getProto:   $Object.getPrototypeOf,
-  isEnum:     {}.propertyIsEnumerable,
-  getDesc:    $Object.getOwnPropertyDescriptor,
-  setDesc:    $Object.defineProperty,
-  setDescs:   $Object.defineProperties,
-  getKeys:    $Object.keys,
-  getNames:   $Object.getOwnPropertyNames,
-  getSymbols: $Object.getOwnPropertySymbols,
-  each:       [].forEach
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.keyof.js b/node_modules/core-js/library/modules/$.keyof.js
deleted file mode 100644
index 09d183a71..000000000
--- a/node_modules/core-js/library/modules/$.keyof.js
+++ /dev/null
@@ -1,10 +0,0 @@
-var $         = require('./$')
-  , toIObject = require('./$.to-iobject');
-module.exports = function(object, el){
-  var O      = toIObject(object)
-    , keys   = $.getKeys(O)
-    , length = keys.length
-    , index  = 0
-    , key;
-  while(length > index)if(O[key = keys[index++]] === el)return key;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.library.js b/node_modules/core-js/library/modules/$.library.js
deleted file mode 100644
index 73f737c59..000000000
--- a/node_modules/core-js/library/modules/$.library.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = true;
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.math-expm1.js b/node_modules/core-js/library/modules/$.math-expm1.js
deleted file mode 100644
index 9d91be93e..000000000
--- a/node_modules/core-js/library/modules/$.math-expm1.js
+++ /dev/null
@@ -1,4 +0,0 @@
-// 20.2.2.14 Math.expm1(x)
-module.exports = Math.expm1 || function expm1(x){
-  return (x = +x) == 0 ? x : x > -1e-6 && x < 1e-6 ? x + x * x / 2 : Math.exp(x) - 1;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.math-log1p.js b/node_modules/core-js/library/modules/$.math-log1p.js
deleted file mode 100644
index a92bf463a..000000000
--- a/node_modules/core-js/library/modules/$.math-log1p.js
+++ /dev/null
@@ -1,4 +0,0 @@
-// 20.2.2.20 Math.log1p(x)
-module.exports = Math.log1p || function log1p(x){
-  return (x = +x) > -1e-8 && x < 1e-8 ? x - x * x / 2 : Math.log(1 + x);
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.math-sign.js b/node_modules/core-js/library/modules/$.math-sign.js
deleted file mode 100644
index a4848df60..000000000
--- a/node_modules/core-js/library/modules/$.math-sign.js
+++ /dev/null
@@ -1,4 +0,0 @@
-// 20.2.2.28 Math.sign(x)
-module.exports = Math.sign || function sign(x){
-  return (x = +x) == 0 || x != x ? x : x < 0 ? -1 : 1;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.microtask.js b/node_modules/core-js/library/modules/$.microtask.js
deleted file mode 100644
index 1f9ebeb5d..000000000
--- a/node_modules/core-js/library/modules/$.microtask.js
+++ /dev/null
@@ -1,64 +0,0 @@
-var global    = require('./$.global')
-  , macrotask = require('./$.task').set
-  , Observer  = global.MutationObserver || global.WebKitMutationObserver
-  , process   = global.process
-  , Promise   = global.Promise
-  , isNode    = require('./$.cof')(process) == 'process'
-  , head, last, notify;
-
-var flush = function(){
-  var parent, domain, fn;
-  if(isNode && (parent = process.domain)){
-    process.domain = null;
-    parent.exit();
-  }
-  while(head){
-    domain = head.domain;
-    fn     = head.fn;
-    if(domain)domain.enter();
-    fn(); // <- currently we use it only for Promise - try / catch not required
-    if(domain)domain.exit();
-    head = head.next;
-  } last = undefined;
-  if(parent)parent.enter();
-};
-
-// Node.js
-if(isNode){
-  notify = function(){
-    process.nextTick(flush);
-  };
-// browsers with MutationObserver
-} else if(Observer){
-  var toggle = 1
-    , node   = document.createTextNode('');
-  new Observer(flush).observe(node, {characterData: true}); // eslint-disable-line no-new
-  notify = function(){
-    node.data = toggle = -toggle;
-  };
-// environments with maybe non-completely correct, but existent Promise
-} else if(Promise && Promise.resolve){
-  notify = function(){
-    Promise.resolve().then(flush);
-  };
-// for other environments - macrotask based on:
-// - setImmediate
-// - MessageChannel
-// - window.postMessag
-// - onreadystatechange
-// - setTimeout
-} else {
-  notify = function(){
-    // strange IE + webpack dev server bug - use .call(global)
-    macrotask.call(global, flush);
-  };
-}
-
-module.exports = function asap(fn){
-  var task = {fn: fn, next: undefined, domain: isNode && process.domain};
-  if(last)last.next = task;
-  if(!head){
-    head = task;
-    notify();
-  } last = task;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.object-assign.js b/node_modules/core-js/library/modules/$.object-assign.js
deleted file mode 100644
index 5ce43f781..000000000
--- a/node_modules/core-js/library/modules/$.object-assign.js
+++ /dev/null
@@ -1,33 +0,0 @@
-// 19.1.2.1 Object.assign(target, source, ...)
-var $        = require('./$')
-  , toObject = require('./$.to-object')
-  , IObject  = require('./$.iobject');
-
-// should work with symbols and should have deterministic property order (V8 bug)
-module.exports = require('./$.fails')(function(){
-  var a = Object.assign
-    , A = {}
-    , B = {}
-    , S = Symbol()
-    , K = 'abcdefghijklmnopqrst';
-  A[S] = 7;
-  K.split('').forEach(function(k){ B[k] = k; });
-  return a({}, A)[S] != 7 || Object.keys(a({}, B)).join('') != K;
-}) ? function assign(target, source){ // eslint-disable-line no-unused-vars
-  var T     = toObject(target)
-    , $$    = arguments
-    , $$len = $$.length
-    , index = 1
-    , getKeys    = $.getKeys
-    , getSymbols = $.getSymbols
-    , isEnum     = $.isEnum;
-  while($$len > index){
-    var S      = IObject($$[index++])
-      , keys   = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S)
-      , length = keys.length
-      , j      = 0
-      , key;
-    while(length > j)if(isEnum.call(S, key = keys[j++]))T[key] = S[key];
-  }
-  return T;
-} : Object.assign;
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.object-define.js b/node_modules/core-js/library/modules/$.object-define.js
deleted file mode 100644
index 2fff248f1..000000000
--- a/node_modules/core-js/library/modules/$.object-define.js
+++ /dev/null
@@ -1,11 +0,0 @@
-var $         = require('./$')
-  , ownKeys   = require('./$.own-keys')
-  , toIObject = require('./$.to-iobject');
-
-module.exports = function define(target, mixin){
-  var keys   = ownKeys(toIObject(mixin))
-    , length = keys.length
-    , i = 0, key;
-  while(length > i)$.setDesc(target, key = keys[i++], $.getDesc(mixin, key));
-  return target;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.object-sap.js b/node_modules/core-js/library/modules/$.object-sap.js
deleted file mode 100644
index 5fa7288a8..000000000
--- a/node_modules/core-js/library/modules/$.object-sap.js
+++ /dev/null
@@ -1,10 +0,0 @@
-// most Object methods by ES6 should accept primitives
-var $export = require('./$.export')
-  , core    = require('./$.core')
-  , fails   = require('./$.fails');
-module.exports = function(KEY, exec){
-  var fn  = (core.Object || {})[KEY] || Object[KEY]
-    , exp = {};
-  exp[KEY] = exec(fn);
-  $export($export.S + $export.F * fails(function(){ fn(1); }), 'Object', exp);
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.object-to-array.js b/node_modules/core-js/library/modules/$.object-to-array.js
deleted file mode 100644
index d46425bac..000000000
--- a/node_modules/core-js/library/modules/$.object-to-array.js
+++ /dev/null
@@ -1,16 +0,0 @@
-var $         = require('./$')
-  , toIObject = require('./$.to-iobject')
-  , isEnum    = $.isEnum;
-module.exports = function(isEntries){
-  return function(it){
-    var O      = toIObject(it)
-      , keys   = $.getKeys(O)
-      , length = keys.length
-      , i      = 0
-      , result = []
-      , key;
-    while(length > i)if(isEnum.call(O, key = keys[i++])){
-      result.push(isEntries ? [key, O[key]] : O[key]);
-    } return result;
-  };
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.own-keys.js b/node_modules/core-js/library/modules/$.own-keys.js
deleted file mode 100644
index 0218c4bd5..000000000
--- a/node_modules/core-js/library/modules/$.own-keys.js
+++ /dev/null
@@ -1,9 +0,0 @@
-// all object keys, includes non-enumerable and symbols
-var $        = require('./$')
-  , anObject = require('./$.an-object')
-  , Reflect  = require('./$.global').Reflect;
-module.exports = Reflect && Reflect.ownKeys || function ownKeys(it){
-  var keys       = $.getNames(anObject(it))
-    , getSymbols = $.getSymbols;
-  return getSymbols ? keys.concat(getSymbols(it)) : keys;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.partial.js b/node_modules/core-js/library/modules/$.partial.js
deleted file mode 100644
index 53f97aa9c..000000000
--- a/node_modules/core-js/library/modules/$.partial.js
+++ /dev/null
@@ -1,24 +0,0 @@
-'use strict';
-var path      = require('./$.path')
-  , invoke    = require('./$.invoke')
-  , aFunction = require('./$.a-function');
-module.exports = function(/* ...pargs */){
-  var fn     = aFunction(this)
-    , length = arguments.length
-    , pargs  = Array(length)
-    , i      = 0
-    , _      = path._
-    , holder = false;
-  while(length > i)if((pargs[i] = arguments[i++]) === _)holder = true;
-  return function(/* ...args */){
-    var that  = this
-      , $$    = arguments
-      , $$len = $$.length
-      , j = 0, k = 0, args;
-    if(!holder && !$$len)return invoke(fn, pargs, that);
-    args = pargs.slice();
-    if(holder)for(;length > j; j++)if(args[j] === _)args[j] = $$[k++];
-    while($$len > k)args.push($$[k++]);
-    return invoke(fn, args, that);
-  };
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.path.js b/node_modules/core-js/library/modules/$.path.js
deleted file mode 100644
index 27bb24b89..000000000
--- a/node_modules/core-js/library/modules/$.path.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = require('./$.core');
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.property-desc.js b/node_modules/core-js/library/modules/$.property-desc.js
deleted file mode 100644
index e3f7ab2dc..000000000
--- a/node_modules/core-js/library/modules/$.property-desc.js
+++ /dev/null
@@ -1,8 +0,0 @@
-module.exports = function(bitmap, value){
-  return {
-    enumerable  : !(bitmap & 1),
-    configurable: !(bitmap & 2),
-    writable    : !(bitmap & 4),
-    value       : value
-  };
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.redefine-all.js b/node_modules/core-js/library/modules/$.redefine-all.js
deleted file mode 100644
index 01fe55baa..000000000
--- a/node_modules/core-js/library/modules/$.redefine-all.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var redefine = require('./$.redefine');
-module.exports = function(target, src){
-  for(var key in src)redefine(target, key, src[key]);
-  return target;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.redefine.js b/node_modules/core-js/library/modules/$.redefine.js
deleted file mode 100644
index 57453fd17..000000000
--- a/node_modules/core-js/library/modules/$.redefine.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = require('./$.hide');
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.replacer.js b/node_modules/core-js/library/modules/$.replacer.js
deleted file mode 100644
index 5360a3d35..000000000
--- a/node_modules/core-js/library/modules/$.replacer.js
+++ /dev/null
@@ -1,8 +0,0 @@
-module.exports = function(regExp, replace){
-  var replacer = replace === Object(replace) ? function(part){
-    return replace[part];
-  } : replace;
-  return function(it){
-    return String(it).replace(regExp, replacer);
-  };
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.same-value.js b/node_modules/core-js/library/modules/$.same-value.js
deleted file mode 100644
index 8c2b8c7f6..000000000
--- a/node_modules/core-js/library/modules/$.same-value.js
+++ /dev/null
@@ -1,4 +0,0 @@
-// 7.2.9 SameValue(x, y)
-module.exports = Object.is || function is(x, y){
-  return x === y ? x !== 0 || 1 / x === 1 / y : x != x && y != y;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.set-proto.js b/node_modules/core-js/library/modules/$.set-proto.js
deleted file mode 100644
index b1edd681d..000000000
--- a/node_modules/core-js/library/modules/$.set-proto.js
+++ /dev/null
@@ -1,26 +0,0 @@
-// Works with __proto__ only. Old v8 can't work with null proto objects.
-/* eslint-disable no-proto */
-var getDesc  = require('./$').getDesc
-  , isObject = require('./$.is-object')
-  , anObject = require('./$.an-object');
-var check = function(O, proto){
-  anObject(O);
-  if(!isObject(proto) && proto !== null)throw TypeError(proto + ": can't set as prototype!");
-};
-module.exports = {
-  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line
-    function(test, buggy, set){
-      try {
-        set = require('./$.ctx')(Function.call, getDesc(Object.prototype, '__proto__').set, 2);
-        set(test, []);
-        buggy = !(test instanceof Array);
-      } catch(e){ buggy = true; }
-      return function setPrototypeOf(O, proto){
-        check(O, proto);
-        if(buggy)O.__proto__ = proto;
-        else set(O, proto);
-        return O;
-      };
-    }({}, false) : undefined),
-  check: check
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.set-species.js b/node_modules/core-js/library/modules/$.set-species.js
deleted file mode 100644
index f6720c36d..000000000
--- a/node_modules/core-js/library/modules/$.set-species.js
+++ /dev/null
@@ -1,13 +0,0 @@
-'use strict';
-var core        = require('./$.core')
-  , $           = require('./$')
-  , DESCRIPTORS = require('./$.descriptors')
-  , SPECIES     = require('./$.wks')('species');
-
-module.exports = function(KEY){
-  var C = core[KEY];
-  if(DESCRIPTORS && C && !C[SPECIES])$.setDesc(C, SPECIES, {
-    configurable: true,
-    get: function(){ return this; }
-  });
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.set-to-string-tag.js b/node_modules/core-js/library/modules/$.set-to-string-tag.js
deleted file mode 100644
index 22b342445..000000000
--- a/node_modules/core-js/library/modules/$.set-to-string-tag.js
+++ /dev/null
@@ -1,7 +0,0 @@
-var def = require('./$').setDesc
-  , has = require('./$.has')
-  , TAG = require('./$.wks')('toStringTag');
-
-module.exports = function(it, tag, stat){
-  if(it && !has(it = stat ? it : it.prototype, TAG))def(it, TAG, {configurable: true, value: tag});
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.shared.js b/node_modules/core-js/library/modules/$.shared.js
deleted file mode 100644
index 8dea827ae..000000000
--- a/node_modules/core-js/library/modules/$.shared.js
+++ /dev/null
@@ -1,6 +0,0 @@
-var global = require('./$.global')
-  , SHARED = '__core-js_shared__'
-  , store  = global[SHARED] || (global[SHARED] = {});
-module.exports = function(key){
-  return store[key] || (store[key] = {});
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.species-constructor.js b/node_modules/core-js/library/modules/$.species-constructor.js
deleted file mode 100644
index f71168b77..000000000
--- a/node_modules/core-js/library/modules/$.species-constructor.js
+++ /dev/null
@@ -1,8 +0,0 @@
-// 7.3.20 SpeciesConstructor(O, defaultConstructor)
-var anObject  = require('./$.an-object')
-  , aFunction = require('./$.a-function')
-  , SPECIES   = require('./$.wks')('species');
-module.exports = function(O, D){
-  var C = anObject(O).constructor, S;
-  return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? D : aFunction(S);
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.strict-new.js b/node_modules/core-js/library/modules/$.strict-new.js
deleted file mode 100644
index 8bab9ed15..000000000
--- a/node_modules/core-js/library/modules/$.strict-new.js
+++ /dev/null
@@ -1,4 +0,0 @@
-module.exports = function(it, Constructor, name){
-  if(!(it instanceof Constructor))throw TypeError(name + ": use the 'new' operator!");
-  return it;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.string-at.js b/node_modules/core-js/library/modules/$.string-at.js
deleted file mode 100644
index 3d344bba7..000000000
--- a/node_modules/core-js/library/modules/$.string-at.js
+++ /dev/null
@@ -1,17 +0,0 @@
-var toInteger = require('./$.to-integer')
-  , defined   = require('./$.defined');
-// true  -> String#at
-// false -> String#codePointAt
-module.exports = function(TO_STRING){
-  return function(that, pos){
-    var s = String(defined(that))
-      , i = toInteger(pos)
-      , l = s.length
-      , a, b;
-    if(i < 0 || i >= l)return TO_STRING ? '' : undefined;
-    a = s.charCodeAt(i);
-    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff
-      ? TO_STRING ? s.charAt(i) : a
-      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
-  };
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.string-context.js b/node_modules/core-js/library/modules/$.string-context.js
deleted file mode 100644
index d6485a43b..000000000
--- a/node_modules/core-js/library/modules/$.string-context.js
+++ /dev/null
@@ -1,8 +0,0 @@
-// helper for String#{startsWith, endsWith, includes}
-var isRegExp = require('./$.is-regexp')
-  , defined  = require('./$.defined');
-
-module.exports = function(that, searchString, NAME){
-  if(isRegExp(searchString))throw TypeError('String#' + NAME + " doesn't accept regex!");
-  return String(defined(that));
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.string-pad.js b/node_modules/core-js/library/modules/$.string-pad.js
deleted file mode 100644
index f0507d934..000000000
--- a/node_modules/core-js/library/modules/$.string-pad.js
+++ /dev/null
@@ -1,17 +0,0 @@
-// https://github.com/ljharb/proposal-string-pad-left-right
-var toLength = require('./$.to-length')
-  , repeat   = require('./$.string-repeat')
-  , defined  = require('./$.defined');
-
-module.exports = function(that, maxLength, fillString, left){
-  var S            = String(defined(that))
-    , stringLength = S.length
-    , fillStr      = fillString === undefined ? ' ' : String(fillString)
-    , intMaxLength = toLength(maxLength);
-  if(intMaxLength <= stringLength)return S;
-  if(fillStr == '')fillStr = ' ';
-  var fillLen = intMaxLength - stringLength
-    , stringFiller = repeat.call(fillStr, Math.ceil(fillLen / fillStr.length));
-  if(stringFiller.length > fillLen)stringFiller = stringFiller.slice(0, fillLen);
-  return left ? stringFiller + S : S + stringFiller;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.string-repeat.js b/node_modules/core-js/library/modules/$.string-repeat.js
deleted file mode 100644
index 491d08535..000000000
--- a/node_modules/core-js/library/modules/$.string-repeat.js
+++ /dev/null
@@ -1,12 +0,0 @@
-'use strict';
-var toInteger = require('./$.to-integer')
-  , defined   = require('./$.defined');
-
-module.exports = function repeat(count){
-  var str = String(defined(this))
-    , res = ''
-    , n   = toInteger(count);
-  if(n < 0 || n == Infinity)throw RangeError("Count can't be negative");
-  for(;n > 0; (n >>>= 1) && (str += str))if(n & 1)res += str;
-  return res;
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.string-trim.js b/node_modules/core-js/library/modules/$.string-trim.js
deleted file mode 100644
index 04423f4db..000000000
--- a/node_modules/core-js/library/modules/$.string-trim.js
+++ /dev/null
@@ -1,29 +0,0 @@
-var $export = require('./$.export')
-  , defined = require('./$.defined')
-  , fails   = require('./$.fails')
-  , spaces  = '\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003' +
-      '\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF'
-  , space   = '[' + spaces + ']'
-  , non     = '\u200b\u0085'
-  , ltrim   = RegExp('^' + space + space + '*')
-  , rtrim   = RegExp(space + space + '*$');
-
-var exporter = function(KEY, exec){
-  var exp  = {};
-  exp[KEY] = exec(trim);
-  $export($export.P + $export.F * fails(function(){
-    return !!spaces[KEY]() || non[KEY]() != non;
-  }), 'String', exp);
-};
-
-// 1 -> String#trimLeft
-// 2 -> String#trimRight
-// 3 -> String#trim
-var trim = exporter.trim = function(string, TYPE){
-  string = String(defined(string));
-  if(TYPE & 1)string = string.replace(ltrim, '');
-  if(TYPE & 2)string = string.replace(rtrim, '');
-  return string;
-};
-
-module.exports = exporter;
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.task.js b/node_modules/core-js/library/modules/$.task.js
deleted file mode 100644
index 5d7759e61..000000000
--- a/node_modules/core-js/library/modules/$.task.js
+++ /dev/null
@@ -1,75 +0,0 @@
-var ctx                = require('./$.ctx')
-  , invoke             = require('./$.invoke')
-  , html               = require('./$.html')
-  , cel                = require('./$.dom-create')
-  , global             = require('./$.global')
-  , process            = global.process
-  , setTask            = global.setImmediate
-  , clearTask          = global.clearImmediate
-  , MessageChannel     = global.MessageChannel
-  , counter            = 0
-  , queue              = {}
-  , ONREADYSTATECHANGE = 'onreadystatechange'
-  , defer, channel, port;
-var run = function(){
-  var id = +this;
-  if(queue.hasOwnProperty(id)){
-    var fn = queue[id];
-    delete queue[id];
-    fn();
-  }
-};
-var listner = function(event){
-  run.call(event.data);
-};
-// Node.js 0.9+ & IE10+ has setImmediate, otherwise:
-if(!setTask || !clearTask){
-  setTask = function setImmediate(fn){
-    var args = [], i = 1;
-    while(arguments.length > i)args.push(arguments[i++]);
-    queue[++counter] = function(){
-      invoke(typeof fn == 'function' ? fn : Function(fn), args);
-    };
-    defer(counter);
-    return counter;
-  };
-  clearTask = function clearImmediate(id){
-    delete queue[id];
-  };
-  // Node.js 0.8-
-  if(require('./$.cof')(process) == 'process'){
-    defer = function(id){
-      process.nextTick(ctx(run, id, 1));
-    };
-  // Browsers with MessageChannel, includes WebWorkers
-  } else if(MessageChannel){
-    channel = new MessageChannel;
-    port    = channel.port2;
-    channel.port1.onmessage = listner;
-    defer = ctx(port.postMessage, port, 1);
-  // Browsers with postMessage, skip WebWorkers
-  // IE8 has postMessage, but it's sync & typeof its postMessage is 'object'
-  } else if(global.addEventListener && typeof postMessage == 'function' && !global.importScripts){
-    defer = function(id){
-      global.postMessage(id + '', '*');
-    };
-    global.addEventListener('message', listner, false);
-  // IE8-
-  } else if(ONREADYSTATECHANGE in cel('script')){
-    defer = function(id){
-      html.appendChild(cel('script'))[ONREADYSTATECHANGE] = function(){
-        html.removeChild(this);
-        run.call(id);
-      };
-    };
-  // Rest old browsers
-  } else {
-    defer = function(id){
-      setTimeout(ctx(run, id, 1), 0);
-    };
-  }
-}
-module.exports = {
-  set:   setTask,
-  clear: clearTask
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.to-index.js b/node_modules/core-js/library/modules/$.to-index.js
deleted file mode 100644
index 9346a8ff1..000000000
--- a/node_modules/core-js/library/modules/$.to-index.js
+++ /dev/null
@@ -1,7 +0,0 @@
-var toInteger = require('./$.to-integer')
-  , max       = Math.max
-  , min       = Math.min;
-module.exports = function(index, length){
-  index = toInteger(index);
-  return index < 0 ? max(index + length, 0) : min(index, length);
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.to-integer.js b/node_modules/core-js/library/modules/$.to-integer.js
deleted file mode 100644
index f63baaff8..000000000
--- a/node_modules/core-js/library/modules/$.to-integer.js
+++ /dev/null
@@ -1,6 +0,0 @@
-// 7.1.4 ToInteger
-var ceil  = Math.ceil
-  , floor = Math.floor;
-module.exports = function(it){
-  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.to-iobject.js b/node_modules/core-js/library/modules/$.to-iobject.js
deleted file mode 100644
index fcf54c82e..000000000
--- a/node_modules/core-js/library/modules/$.to-iobject.js
+++ /dev/null
@@ -1,6 +0,0 @@
-// to indexed object, toObject with fallback for non-array-like ES3 strings
-var IObject = require('./$.iobject')
-  , defined = require('./$.defined');
-module.exports = function(it){
-  return IObject(defined(it));
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.to-length.js b/node_modules/core-js/library/modules/$.to-length.js
deleted file mode 100644
index 0e15b1b8c..000000000
--- a/node_modules/core-js/library/modules/$.to-length.js
+++ /dev/null
@@ -1,6 +0,0 @@
-// 7.1.15 ToLength
-var toInteger = require('./$.to-integer')
-  , min       = Math.min;
-module.exports = function(it){
-  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.to-object.js b/node_modules/core-js/library/modules/$.to-object.js
deleted file mode 100644
index 2c57a29fa..000000000
--- a/node_modules/core-js/library/modules/$.to-object.js
+++ /dev/null
@@ -1,5 +0,0 @@
-// 7.1.13 ToObject(argument)
-var defined = require('./$.defined');
-module.exports = function(it){
-  return Object(defined(it));
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.to-primitive.js b/node_modules/core-js/library/modules/$.to-primitive.js
deleted file mode 100644
index 6fb4585a3..000000000
--- a/node_modules/core-js/library/modules/$.to-primitive.js
+++ /dev/null
@@ -1,12 +0,0 @@
-// 7.1.1 ToPrimitive(input [, PreferredType])
-var isObject = require('./$.is-object');
-// instead of the ES6 spec version, we didn't implement @@toPrimitive case
-// and the second argument - flag - preferred type is a string
-module.exports = function(it, S){
-  if(!isObject(it))return it;
-  var fn, val;
-  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;
-  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;
-  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;
-  throw TypeError("Can't convert object to primitive value");
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.typed-array.js b/node_modules/core-js/library/modules/$.typed-array.js
deleted file mode 100644
index 1bd5cf0e8..000000000
--- a/node_modules/core-js/library/modules/$.typed-array.js
+++ /dev/null
@@ -1,365 +0,0 @@
-'use strict';
-if(require('./$.descriptors')){
-  var LIBRARY             = require('./$.library')
-    , global              = require('./$.global')
-    , $                   = require('./$')
-    , fails               = require('./$.fails')
-    , $export             = require('./$.export')
-    , $typed              = require('./$.typed')
-    , $buffer             = require('./$.buffer')
-    , ctx                 = require('./$.ctx')
-    , strictNew           = require('./$.strict-new')
-    , propertyDesc        = require('./$.property-desc')
-    , hide                = require('./$.hide')
-    , redefineAll         = require('./$.redefine-all')
-    , isInteger           = require('./$.is-integer')
-    , toInteger           = require('./$.to-integer')
-    , toLength            = require('./$.to-length')
-    , toIndex             = require('./$.to-index')
-    , toPrimitive         = require('./$.to-primitive')
-    , isObject            = require('./$.is-object')
-    , toObject            = require('./$.to-object')
-    , isArrayIter         = require('./$.is-array-iter')
-    , isIterable          = require('./core.is-iterable')
-    , getIterFn           = require('./core.get-iterator-method')
-    , wks                 = require('./$.wks')
-    , createArrayMethod   = require('./$.array-methods')
-    , createArrayIncludes = require('./$.array-includes')
-    , speciesConstructor  = require('./$.species-constructor')
-    , ArrayIterators      = require('./es6.array.iterator')
-    , Iterators           = require('./$.iterators')
-    , $iterDetect         = require('./$.iter-detect')
-    , setSpecies          = require('./$.set-species')
-    , arrayFill           = require('./$.array-fill')
-    , arrayCopyWithin     = require('./$.array-copy-within')
-    , ArrayProto          = Array.prototype
-    , $ArrayBuffer        = $buffer.ArrayBuffer
-    , $DataView           = $buffer.DataView
-    , setDesc             = $.setDesc
-    , getDesc             = $.getDesc
-    , arrayForEach        = createArrayMethod(0)
-    , arrayMap            = createArrayMethod(1)
-    , arrayFilter         = createArrayMethod(2)
-    , arraySome           = createArrayMethod(3)
-    , arrayEvery          = createArrayMethod(4)
-    , arrayFind           = createArrayMethod(5)
-    , arrayFindIndex      = createArrayMethod(6)
-    , arrayIncludes       = createArrayIncludes(true)
-    , arrayIndexOf        = createArrayIncludes(false)
-    , arrayValues         = ArrayIterators.values
-    , arrayKeys           = ArrayIterators.keys
-    , arrayEntries        = ArrayIterators.entries
-    , arrayLastIndexOf    = ArrayProto.lastIndexOf
-    , arrayReduce         = ArrayProto.reduce
-    , arrayReduceRight    = ArrayProto.reduceRight
-    , arrayJoin           = ArrayProto.join
-    , arrayReverse        = ArrayProto.reverse
-    , arraySort           = ArrayProto.sort
-    , arraySlice          = ArrayProto.slice
-    , arrayToString       = ArrayProto.toString
-    , arrayToLocaleString = ArrayProto.toLocaleString
-    , ITERATOR            = wks('iterator')
-    , TAG                 = wks('toStringTag')
-    , TYPED_CONSTRUCTOR   = wks('typed_constructor')
-    , DEF_CONSTRUCTOR     = wks('def_constructor')
-    , ALL_ARRAYS          = $typed.ARRAYS
-    , TYPED_ARRAY         = $typed.TYPED
-    , VIEW                = $typed.VIEW
-    , BYTES_PER_ELEMENT   = 'BYTES_PER_ELEMENT';
-
-  var LITTLE_ENDIAN = fails(function(){
-    return new Uint8Array(new Uint16Array([1]).buffer)[0] === 1;
-  });
-
-  var validate = function(it){
-    if(isObject(it) && TYPED_ARRAY in it)return it;
-    throw TypeError(it + ' is not a typed array!');
-  };
-
-  var fromList = function(O, list){
-    var index  = 0
-      , length = list.length
-      , result = allocate(speciesConstructor(O, O[DEF_CONSTRUCTOR]), length);
-    while(length > index)result[index] = list[index++];
-    return result;
-  };
-
-  var allocate = function(C, length){
-    if(!(isObject(C) && TYPED_CONSTRUCTOR in C)){
-      throw TypeError('It is not a typed array constructor!');
-    } return new C(length);
-  };
-
-  var $from = function from(source /*, mapfn, thisArg */){
-    var O       = toObject(source)
-      , $$      = arguments
-      , $$len   = $$.length
-      , mapfn   = $$len > 1 ? $$[1] : undefined
-      , mapping = mapfn !== undefined
-      , iterFn  = getIterFn(O)
-      , i, length, values, result, step, iterator;
-    if(iterFn != undefined && !isArrayIter(iterFn)){
-      for(iterator = iterFn.call(O), values = [], i = 0; !(step = iterator.next()).done; i++){
-        values.push(step.value);
-      } O = values;
-    }
-    if(mapping && $$len > 2)mapfn = ctx(mapfn, $$[2], 2);
-    for(i = 0, length = toLength(O.length), result = allocate(this, length); length > i; i++){
-      result[i] = mapping ? mapfn(O[i], i) : O[i];
-    }
-    return result;
-  };
-
-  var addGetter = function(C, key, internal){
-    setDesc(C.prototype, key, {get: function(){ return this._d[internal]; }});
-  };
-
-  var $of = function of(/*...items*/){
-    var index  = 0
-      , length = arguments.length
-      , result = allocate(this, length);
-    while(length > index)result[index] = arguments[index++];
-    return result;
-  };
-  var $toLocaleString = function toLocaleString(){
-    return arrayToLocaleString.apply(validate(this), arguments);
-  };
-
-  var proto = {
-    copyWithin: function copyWithin(target, start /*, end */){
-      return arrayCopyWithin.call(validate(this), target, start, arguments.length > 2 ? arguments[2] : undefined);
-    },
-    every: function every(callbackfn /*, thisArg */){
-      return arrayEvery(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
-    },
-    fill: function fill(value /*, start, end */){ // eslint-disable-line no-unused-vars
-      return arrayFill.apply(validate(this), arguments);
-    },
-    filter: function filter(callbackfn /*, thisArg */){
-      return fromList(this, arrayFilter(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined));
-    },
-    find: function find(predicate /*, thisArg */){
-      return arrayFind(validate(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
-    },
-    findIndex: function findIndex(predicate /*, thisArg */){
-      return arrayFindIndex(validate(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
-    },
-    forEach: function forEach(callbackfn /*, thisArg */){
-      arrayForEach(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
-    },
-    indexOf: function indexOf(searchElement /*, fromIndex */){
-      return arrayIndexOf(validate(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
-    },
-    includes: function includes(searchElement /*, fromIndex */){
-      return arrayIncludes(validate(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
-    },
-    join: function join(separator){ // eslint-disable-line no-unused-vars
-      return arrayJoin.apply(validate(this), arguments);
-    },
-    lastIndexOf: function lastIndexOf(searchElement /*, fromIndex */){ // eslint-disable-line no-unused-vars
-      return arrayLastIndexOf.apply(validate(this), arguments);
-    },
-    map: function map(mapfn /*, thisArg */){
-      return fromList(this, arrayMap(validate(this), mapfn, arguments.length > 1 ? arguments[1] : undefined)); // TODO
-    },
-    reduce: function reduce(callbackfn /*, initialValue */){ // eslint-disable-line no-unused-vars
-      return arrayReduce.apply(validate(this), arguments);
-    },
-    reduceRight: function reduceRight(callbackfn /*, initialValue */){ // eslint-disable-line no-unused-vars
-      return arrayReduceRight.apply(validate(this), arguments);
-    },
-    reverse: function reverse(){
-      return arrayReverse.call(validate(this));
-    },
-    set: function set(arrayLike /*, offset */){
-      validate(this);
-      var offset = toInteger(arguments.length > 1 ? arguments[1] : undefined);
-      if(offset < 0)throw RangeError();
-      var length = this.length;
-      var src    = toObject(arrayLike);
-      var index  = 0;
-      var len    = toLength(src.length);
-      if(len + offset > length)throw RangeError();
-      while(index < len)this[offset + index] = src[index++];
-    },
-    slice: function slice(start, end){
-      return fromList(this, arraySlice.call(validate(this), start, end)); // TODO
-    },
-    some: function some(callbackfn /*, thisArg */){
-      return arraySome(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
-    },
-    sort: function sort(comparefn){
-      return arraySort.call(validate(this), comparefn);
-    },
-    subarray: function subarray(begin, end){
-      var O      = validate(this)
-        , length = O.length
-        , $begin = toIndex(begin, length);
-      return new (speciesConstructor(O, O[DEF_CONSTRUCTOR]))(
-        O.buffer,
-        O.byteOffset + $begin * O.BYTES_PER_ELEMENT,
-        toLength((end === undefined ? length : toIndex(end, length)) - $begin)
-      );
-    },
-    entries: function entries(){
-      return arrayEntries.call(validate(this));
-    },
-    keys: function keys(){
-      return arrayKeys.call(validate(this));
-    },
-    values: function values(){
-      return arrayValues.call(validate(this));
-    }
-  };
-
-  var isTAIndex = function(target, key){
-    return isObject(target)
-      && TYPED_ARRAY in target
-      && typeof key != 'symbol'
-      && key in target
-      && String(+key) == String(key);
-  };
-  var $getDesc = function getOwnPropertyDescriptor(target, key){
-    return isTAIndex(target, key = toPrimitive(key, true))
-      ? propertyDesc(2, target[key])
-      : getDesc(target, key);
-  };
-  var $setDesc = function defineProperty(target, key, desc){
-    if(isTAIndex(target, key = toPrimitive(key, true)) && isObject(desc)){
-      if('value' in desc)target[key] = desc.value;
-      return target;
-    } else return setDesc(target, key, desc);
-  };
-
-  if(!ALL_ARRAYS){
-    $.getDesc = $getDesc;
-    $.setDesc = $setDesc;
-  }
-
-  $export($export.S + $export.F * !ALL_ARRAYS, 'Object', {
-    getOwnPropertyDescriptor: $getDesc,
-    defineProperty: $setDesc
-  });
-
-  var $TypedArrayPrototype$ = redefineAll({}, proto);
-  redefineAll($TypedArrayPrototype$, {
-    constructor:    function(){ /* noop */ },
-    toString:       arrayToString,
-    toLocaleString: $toLocaleString
-  });
-  $.setDesc($TypedArrayPrototype$, TAG, {
-    get: function(){ return this[TYPED_ARRAY]; }
-  });
-
-  module.exports = function(KEY, BYTES, wrapper, CLAMPED){
-    CLAMPED = !!CLAMPED;
-    var NAME       = KEY + (CLAMPED ? 'Clamped' : '') + 'Array'
-      , GETTER     = 'get' + KEY
-      , SETTER     = 'set' + KEY
-      , TypedArray = global[NAME]
-      , Base       = TypedArray || {}
-      , FORCED     = !TypedArray || !$typed.ABV
-      , $iterator  = proto.values
-      , O          = {};
-    var addElement = function(that, index){
-      setDesc(that, index, {
-        get: function(){
-          var data = this._d;
-          return data.v[GETTER](index * BYTES + data.o, LITTLE_ENDIAN);
-        },
-        set: function(it){
-          var data = this._d;
-          if(CLAMPED)it = (it = Math.round(it)) < 0 ? 0 : it > 0xff ? 0xff : it & 0xff;
-          data.v[SETTER](index * BYTES + data.o, it, LITTLE_ENDIAN);
-        },
-        enumerable: true
-      });
-    };
-    if(!$ArrayBuffer)return;
-    if(FORCED){
-      TypedArray = wrapper(function(that, data, $offset, $length){
-        strictNew(that, TypedArray, NAME);
-        var index  = 0
-          , offset = 0
-          , buffer, byteLength, length;
-        if(!isObject(data)){
-          byteLength = toInteger(data) * BYTES;
-          buffer = new $ArrayBuffer(byteLength);
-        // TODO TA case
-        } else if(data instanceof $ArrayBuffer){
-          buffer = data;
-          offset = toInteger($offset);
-          if(offset < 0 || offset % BYTES)throw RangeError();
-          var $len = data.byteLength;
-          if($length === undefined){
-            if($len % BYTES)throw RangeError();
-            byteLength = $len - offset;
-            if(byteLength < 0)throw RangeError();
-          } else {
-            byteLength = toLength($length) * BYTES;
-            if(byteLength + offset > $len)throw RangeError();
-          }
-        } else return $from.call(TypedArray, data);
-        length = byteLength / BYTES;
-        hide(that, '_d', {
-          b: buffer,
-          o: offset,
-          l: byteLength,
-          e: length,
-          v: new $DataView(buffer)
-        });
-        while(index < length)addElement(that, index++);
-      });
-      TypedArray.prototype = $.create($TypedArrayPrototype$);
-      addGetter(TypedArray, 'buffer', 'b');
-      addGetter(TypedArray, 'byteOffset', 'o');
-      addGetter(TypedArray, 'byteLength', 'l');
-      addGetter(TypedArray, 'length', 'e');
-      hide(TypedArray, BYTES_PER_ELEMENT, BYTES);
-      hide(TypedArray.prototype, BYTES_PER_ELEMENT, BYTES);
-      hide(TypedArray.prototype, 'constructor', TypedArray);
-    } else if(!$iterDetect(function(iter){
-      new TypedArray(iter); // eslint-disable-line no-new
-    }, true)){
-      TypedArray = wrapper(function(that, data, $offset, $length){
-        strictNew(that, TypedArray, NAME);
-        if(isObject(data) && isIterable(data))return $from.call(TypedArray, data);
-        return $length === undefined ? new Base(data, $offset) : new Base(data, $offset, $length);
-      });
-      TypedArray.prototype = Base.prototype;
-      if(!LIBRARY)TypedArray.prototype.constructor = TypedArray;
-    }
-    var TypedArrayPrototype = TypedArray.prototype;
-    var $nativeIterator = TypedArrayPrototype[ITERATOR];
-    hide(TypedArray, TYPED_CONSTRUCTOR, true);
-    hide(TypedArrayPrototype, TYPED_ARRAY, NAME);
-    hide(TypedArrayPrototype, VIEW, true);
-    hide(TypedArrayPrototype, DEF_CONSTRUCTOR, TypedArray);
-    TAG in TypedArrayPrototype || $.setDesc(TypedArrayPrototype, TAG, {
-      get: function(){ return NAME; }
-    });
-
-    O[NAME] = TypedArray;
-
-    $export($export.G + $export.W + $export.F * (TypedArray != Base), O);
-
-    $export($export.S + $export.F * (TypedArray != Base), NAME, {
-      BYTES_PER_ELEMENT: BYTES,
-      from: Base.from || $from,
-      of: Base.of || $of
-    });
-
-    $export($export.P + $export.F * FORCED, NAME, proto);
-
-    $export($export.P + $export.F * (TypedArrayPrototype.toString != arrayToString), NAME, {toString: arrayToString});
-
-    $export($export.P + $export.F * fails(function(){
-      return [1, 2].toLocaleString() != new Typed([1, 2]).toLocaleString()
-    }), NAME, {toLocaleString: $toLocaleString});
-    
-    Iterators[NAME] = $nativeIterator || $iterator;
-    LIBRARY || $nativeIterator || hide(TypedArrayPrototype, ITERATOR, $iterator);
-    
-    setSpecies(NAME);
-  };
-} else module.exports = function(){ /* empty */};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.typed.js b/node_modules/core-js/library/modules/$.typed.js
deleted file mode 100644
index ced241268..000000000
--- a/node_modules/core-js/library/modules/$.typed.js
+++ /dev/null
@@ -1,36 +0,0 @@
-var global = require('./$.global')
-  , hide   = require('./$.hide')
-  , uid    = require('./$.uid')
-  , TYPED  = uid('typed_array')
-  , VIEW   = uid('view')
-  , ABV    = !!(global.ArrayBuffer && global.DataView)
-  , ARRAYS = true
-  , i = 0, l = 9;
-
-var TypedArrayConstructors = [
-  'Int8Array',
-  'Uint8Array',
-  'Uint8ClampedArray',
-  'Int16Array',
-  'Uint16Array',
-  'Int32Array',
-  'Uint32Array',
-  'Float32Array',
-  'Float64Array'
-];
-
-while(i < l){
-  var Typed = global[TypedArrayConstructors[i++]];
-  if(Typed){
-    hide(Typed.prototype, TYPED, true);
-    hide(Typed.prototype, VIEW, true);
-  } else ARRAYS = false;
-}
-
-module.exports = {
-  ARRAYS: ARRAYS,
-  ABV:    ABV,
-  CONSTR: ARRAYS && ABV,
-  TYPED:  TYPED,
-  VIEW:   VIEW
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.uid.js b/node_modules/core-js/library/modules/$.uid.js
deleted file mode 100644
index 3be4196bb..000000000
--- a/node_modules/core-js/library/modules/$.uid.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var id = 0
-  , px = Math.random();
-module.exports = function(key){
-  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/$.wks.js b/node_modules/core-js/library/modules/$.wks.js
deleted file mode 100644
index 87a3d29ae..000000000
--- a/node_modules/core-js/library/modules/$.wks.js
+++ /dev/null
@@ -1,7 +0,0 @@
-var store  = require('./$.shared')('wks')
-  , uid    = require('./$.uid')
-  , Symbol = require('./$.global').Symbol;
-module.exports = function(name){
-  return store[name] || (store[name] =
-    Symbol && Symbol[name] || (Symbol || uid)('Symbol.' + name));
-};
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/core.delay.js b/node_modules/core-js/library/modules/core.delay.js
index 3e19ef390..ea031be4a 100644
--- a/node_modules/core-js/library/modules/core.delay.js
+++ b/node_modules/core-js/library/modules/core.delay.js
@@ -1,7 +1,7 @@
-var global  = require('./$.global')
-  , core    = require('./$.core')
-  , $export = require('./$.export')
-  , partial = require('./$.partial');
+var global  = require('./_global')
+  , core    = require('./_core')
+  , $export = require('./_export')
+  , partial = require('./_partial');
 // https://esdiscuss.org/topic/promise-returning-delay-function
 $export($export.G + $export.F, {
   delay: function delay(time){
diff --git a/node_modules/core-js/library/modules/core.dict.js b/node_modules/core-js/library/modules/core.dict.js
index df3149887..88c54e3d7 100644
--- a/node_modules/core-js/library/modules/core.dict.js
+++ b/node_modules/core-js/library/modules/core.dict.js
@@ -1,20 +1,22 @@
 'use strict';
-var $           = require('./$')
-  , ctx         = require('./$.ctx')
-  , $export     = require('./$.export')
-  , createDesc  = require('./$.property-desc')
-  , assign      = require('./$.object-assign')
-  , keyOf       = require('./$.keyof')
-  , aFunction   = require('./$.a-function')
-  , forOf       = require('./$.for-of')
-  , isIterable  = require('./core.is-iterable')
-  , $iterCreate = require('./$.iter-create')
-  , step        = require('./$.iter-step')
-  , isObject    = require('./$.is-object')
-  , toIObject   = require('./$.to-iobject')
-  , DESCRIPTORS = require('./$.descriptors')
-  , has         = require('./$.has')
-  , getKeys     = $.getKeys;
+var ctx            = require('./_ctx')
+  , $export        = require('./_export')
+  , createDesc     = require('./_property-desc')
+  , assign         = require('./_object-assign')
+  , create         = require('./_object-create')
+  , getPrototypeOf = require('./_object-gpo')
+  , getKeys        = require('./_object-keys')
+  , dP             = require('./_object-dp')
+  , keyOf          = require('./_keyof')
+  , aFunction      = require('./_a-function')
+  , forOf          = require('./_for-of')
+  , isIterable     = require('./core.is-iterable')
+  , $iterCreate    = require('./_iter-create')
+  , step           = require('./_iter-step')
+  , isObject       = require('./_is-object')
+  , toIObject      = require('./_to-iobject')
+  , DESCRIPTORS    = require('./_descriptors')
+  , has            = require('./_has');
 
 // 0 -> Dict.forEach
 // 1 -> Dict.map
@@ -81,7 +83,7 @@ $iterCreate(DictIterator, 'Dict', function(){
 });
 
 function Dict(iterable){
-  var dict = $.create(null);
+  var dict = create(null);
   if(iterable != undefined){
     if(isIterable(iterable)){
       forOf(iterable, true, function(key, value){
@@ -120,13 +122,13 @@ function get(object, key){
   if(has(object, key))return object[key];
 }
 function set(object, key, value){
-  if(DESCRIPTORS && key in Object)$.setDesc(object, key, createDesc(0, value));
+  if(DESCRIPTORS && key in Object)dP.f(object, key, createDesc(0, value));
   else object[key] = value;
   return object;
 }
 
 function isDict(it){
-  return isObject(it) && $.getProto(it) === Dict.prototype;
+  return isObject(it) && getPrototypeOf(it) === Dict.prototype;
 }
 
 $export($export.G + $export.F, {Dict: Dict});
diff --git a/node_modules/core-js/library/modules/core.function.part.js b/node_modules/core-js/library/modules/core.function.part.js
index 9943b3077..ce851ff84 100644
--- a/node_modules/core-js/library/modules/core.function.part.js
+++ b/node_modules/core-js/library/modules/core.function.part.js
@@ -1,7 +1,7 @@
-var path    = require('./$.path')
-  , $export = require('./$.export');
+var path    = require('./_path')
+  , $export = require('./_export');
 
 // Placeholder
-require('./$.core')._ = path._ = path._ || {};
+require('./_core')._ = path._ = path._ || {};
 
-$export($export.P + $export.F, 'Function', {part: require('./$.partial')});
\ No newline at end of file
+$export($export.P + $export.F, 'Function', {part: require('./_partial')});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/core.get-iterator-method.js b/node_modules/core-js/library/modules/core.get-iterator-method.js
index 02db743c3..e2c7ecc3d 100644
--- a/node_modules/core-js/library/modules/core.get-iterator-method.js
+++ b/node_modules/core-js/library/modules/core.get-iterator-method.js
@@ -1,7 +1,7 @@
-var classof   = require('./$.classof')
-  , ITERATOR  = require('./$.wks')('iterator')
-  , Iterators = require('./$.iterators');
-module.exports = require('./$.core').getIteratorMethod = function(it){
+var classof   = require('./_classof')
+  , ITERATOR  = require('./_wks')('iterator')
+  , Iterators = require('./_iterators');
+module.exports = require('./_core').getIteratorMethod = function(it){
   if(it != undefined)return it[ITERATOR]
     || it['@@iterator']
     || Iterators[classof(it)];
diff --git a/node_modules/core-js/library/modules/core.get-iterator.js b/node_modules/core-js/library/modules/core.get-iterator.js
index 7290904a6..c292e1ab1 100644
--- a/node_modules/core-js/library/modules/core.get-iterator.js
+++ b/node_modules/core-js/library/modules/core.get-iterator.js
@@ -1,6 +1,6 @@
-var anObject = require('./$.an-object')
+var anObject = require('./_an-object')
   , get      = require('./core.get-iterator-method');
-module.exports = require('./$.core').getIterator = function(it){
+module.exports = require('./_core').getIterator = function(it){
   var iterFn = get(it);
   if(typeof iterFn != 'function')throw TypeError(it + ' is not iterable!');
   return anObject(iterFn.call(it));
diff --git a/node_modules/core-js/library/modules/core.is-iterable.js b/node_modules/core-js/library/modules/core.is-iterable.js
index c27e6588f..b2b01b6bb 100644
--- a/node_modules/core-js/library/modules/core.is-iterable.js
+++ b/node_modules/core-js/library/modules/core.is-iterable.js
@@ -1,7 +1,7 @@
-var classof   = require('./$.classof')
-  , ITERATOR  = require('./$.wks')('iterator')
-  , Iterators = require('./$.iterators');
-module.exports = require('./$.core').isIterable = function(it){
+var classof   = require('./_classof')
+  , ITERATOR  = require('./_wks')('iterator')
+  , Iterators = require('./_iterators');
+module.exports = require('./_core').isIterable = function(it){
   var O = Object(it);
   return O[ITERATOR] !== undefined
     || '@@iterator' in O
diff --git a/node_modules/core-js/library/modules/core.log.js b/node_modules/core-js/library/modules/core.log.js
deleted file mode 100644
index 4c0ea53da..000000000
--- a/node_modules/core-js/library/modules/core.log.js
+++ /dev/null
@@ -1,26 +0,0 @@
-var $       = require('./$')
-  , global  = require('./$.global')
-  , $export = require('./$.export')
-  , log     = {}
-  , enabled = true;
-// Methods from https://github.com/DeveloperToolsWG/console-object/blob/master/api.md
-$.each.call((
-  'assert,clear,count,debug,dir,dirxml,error,exception,group,groupCollapsed,groupEnd,' +
-  'info,isIndependentlyComposed,log,markTimeline,profile,profileEnd,table,' +
-  'time,timeEnd,timeline,timelineEnd,timeStamp,trace,warn'
-).split(','), function(key){
-  log[key] = function(){
-    var $console = global.console;
-    if(enabled && $console && $console[key]){
-      return Function.apply.call($console[key], $console, arguments);
-    }
-  };
-});
-$export($export.G + $export.F, {log: require('./$.object-assign')(log.log, log, {
-  enable: function(){
-    enabled = true;
-  },
-  disable: function(){
-    enabled = false;
-  }
-})});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/core.number.iterator.js b/node_modules/core-js/library/modules/core.number.iterator.js
index d92737808..9700acba0 100644
--- a/node_modules/core-js/library/modules/core.number.iterator.js
+++ b/node_modules/core-js/library/modules/core.number.iterator.js
@@ -1,5 +1,5 @@
 'use strict';
-require('./$.iter-define')(Number, 'Number', function(iterated){
+require('./_iter-define')(Number, 'Number', function(iterated){
   this._l = +iterated;
   this._i = 0;
 }, function(){
diff --git a/node_modules/core-js/library/modules/core.object.classof.js b/node_modules/core-js/library/modules/core.object.classof.js
index df682e446..342c73713 100644
--- a/node_modules/core-js/library/modules/core.object.classof.js
+++ b/node_modules/core-js/library/modules/core.object.classof.js
@@ -1,3 +1,3 @@
-var $export = require('./$.export');
+var $export = require('./_export');
 
-$export($export.S + $export.F, 'Object', {classof: require('./$.classof')});
\ No newline at end of file
+$export($export.S + $export.F, 'Object', {classof: require('./_classof')});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/core.object.define.js b/node_modules/core-js/library/modules/core.object.define.js
index fe4cbe9b3..d60e9a951 100644
--- a/node_modules/core-js/library/modules/core.object.define.js
+++ b/node_modules/core-js/library/modules/core.object.define.js
@@ -1,4 +1,4 @@
-var $export = require('./$.export')
-  , define  = require('./$.object-define');
+var $export = require('./_export')
+  , define  = require('./_object-define');
 
 $export($export.S + $export.F, 'Object', {define: define});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/core.object.is-object.js b/node_modules/core-js/library/modules/core.object.is-object.js
index c60a977af..f2ba059fb 100644
--- a/node_modules/core-js/library/modules/core.object.is-object.js
+++ b/node_modules/core-js/library/modules/core.object.is-object.js
@@ -1,3 +1,3 @@
-var $export = require('./$.export');
+var $export = require('./_export');
 
-$export($export.S + $export.F, 'Object', {isObject: require('./$.is-object')});
\ No newline at end of file
+$export($export.S + $export.F, 'Object', {isObject: require('./_is-object')});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/core.object.make.js b/node_modules/core-js/library/modules/core.object.make.js
index 95b999617..3d2a2b5f5 100644
--- a/node_modules/core-js/library/modules/core.object.make.js
+++ b/node_modules/core-js/library/modules/core.object.make.js
@@ -1,6 +1,6 @@
-var $export = require('./$.export')
-  , define  = require('./$.object-define')
-  , create  = require('./$').create;
+var $export = require('./_export')
+  , define  = require('./_object-define')
+  , create  = require('./_object-create');
 
 $export($export.S + $export.F, 'Object', {
   make: function(proto, mixin){
diff --git a/node_modules/core-js/library/modules/core.string.escape-html.js b/node_modules/core-js/library/modules/core.string.escape-html.js
index 81737e750..a4b8d2f02 100644
--- a/node_modules/core-js/library/modules/core.string.escape-html.js
+++ b/node_modules/core-js/library/modules/core.string.escape-html.js
@@ -1,6 +1,6 @@
 'use strict';
-var $export = require('./$.export');
-var $re = require('./$.replacer')(/[&<>"']/g, {
+var $export = require('./_export');
+var $re = require('./_replacer')(/[&<>"']/g, {
   '&': '&amp;',
   '<': '&lt;',
   '>': '&gt;',
diff --git a/node_modules/core-js/library/modules/core.string.unescape-html.js b/node_modules/core-js/library/modules/core.string.unescape-html.js
index 9d7a3d2c8..413622b94 100644
--- a/node_modules/core-js/library/modules/core.string.unescape-html.js
+++ b/node_modules/core-js/library/modules/core.string.unescape-html.js
@@ -1,6 +1,6 @@
 'use strict';
-var $export = require('./$.export');
-var $re = require('./$.replacer')(/&(?:amp|lt|gt|quot|apos);/g, {
+var $export = require('./_export');
+var $re = require('./_replacer')(/&(?:amp|lt|gt|quot|apos);/g, {
   '&amp;':  '&',
   '&lt;':   '<',
   '&gt;':   '>',
diff --git a/node_modules/core-js/library/modules/es5.js b/node_modules/core-js/library/modules/es5.js
index 50f72b047..dd7ebadf8 100644
--- a/node_modules/core-js/library/modules/es5.js
+++ b/node_modules/core-js/library/modules/es5.js
@@ -1,276 +1,35 @@
-'use strict';
-var $                 = require('./$')
-  , $export           = require('./$.export')
-  , DESCRIPTORS       = require('./$.descriptors')
-  , createDesc        = require('./$.property-desc')
-  , html              = require('./$.html')
-  , cel               = require('./$.dom-create')
-  , has               = require('./$.has')
-  , cof               = require('./$.cof')
-  , invoke            = require('./$.invoke')
-  , fails             = require('./$.fails')
-  , anObject          = require('./$.an-object')
-  , aFunction         = require('./$.a-function')
-  , isObject          = require('./$.is-object')
-  , toObject          = require('./$.to-object')
-  , toIObject         = require('./$.to-iobject')
-  , toInteger         = require('./$.to-integer')
-  , toIndex           = require('./$.to-index')
-  , toLength          = require('./$.to-length')
-  , IObject           = require('./$.iobject')
-  , IE_PROTO          = require('./$.uid')('__proto__')
-  , createArrayMethod = require('./$.array-methods')
-  , arrayIndexOf      = require('./$.array-includes')(false)
-  , ObjectProto       = Object.prototype
-  , ArrayProto        = Array.prototype
-  , arraySlice        = ArrayProto.slice
-  , arrayJoin         = ArrayProto.join
-  , defineProperty    = $.setDesc
-  , getOwnDescriptor  = $.getDesc
-  , defineProperties  = $.setDescs
-  , factories         = {}
-  , IE8_DOM_DEFINE;
-
-if(!DESCRIPTORS){
-  IE8_DOM_DEFINE = !fails(function(){
-    return defineProperty(cel('div'), 'a', {get: function(){ return 7; }}).a != 7;
-  });
-  $.setDesc = function(O, P, Attributes){
-    if(IE8_DOM_DEFINE)try {
-      return defineProperty(O, P, Attributes);
-    } catch(e){ /* empty */ }
-    if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');
-    if('value' in Attributes)anObject(O)[P] = Attributes.value;
-    return O;
-  };
-  $.getDesc = function(O, P){
-    if(IE8_DOM_DEFINE)try {
-      return getOwnDescriptor(O, P);
-    } catch(e){ /* empty */ }
-    if(has(O, P))return createDesc(!ObjectProto.propertyIsEnumerable.call(O, P), O[P]);
-  };
-  $.setDescs = defineProperties = function(O, Properties){
-    anObject(O);
-    var keys   = $.getKeys(Properties)
-      , length = keys.length
-      , i = 0
-      , P;
-    while(length > i)$.setDesc(O, P = keys[i++], Properties[P]);
-    return O;
-  };
-}
-$export($export.S + $export.F * !DESCRIPTORS, 'Object', {
-  // 19.1.2.6 / 15.2.3.3 Object.getOwnPropertyDescriptor(O, P)
-  getOwnPropertyDescriptor: $.getDesc,
-  // 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)
-  defineProperty: $.setDesc,
-  // 19.1.2.3 / 15.2.3.7 Object.defineProperties(O, Properties)
-  defineProperties: defineProperties
-});
-
-  // IE 8- don't enum bug keys
-var keys1 = ('constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,' +
-            'toLocaleString,toString,valueOf').split(',')
-  // Additional keys for getOwnPropertyNames
-  , keys2 = keys1.concat('length', 'prototype')
-  , keysLen1 = keys1.length;
-
-// Create object with `null` prototype: use iframe Object with cleared prototype
-var createDict = function(){
-  // Thrash, waste and sodomy: IE GC bug
-  var iframe = cel('iframe')
-    , i      = keysLen1
-    , gt     = '>'
-    , iframeDocument;
-  iframe.style.display = 'none';
-  html.appendChild(iframe);
-  iframe.src = 'javascript:'; // eslint-disable-line no-script-url
-  // createDict = iframe.contentWindow.Object;
-  // html.removeChild(iframe);
-  iframeDocument = iframe.contentWindow.document;
-  iframeDocument.open();
-  iframeDocument.write('<script>document.F=Object</script' + gt);
-  iframeDocument.close();
-  createDict = iframeDocument.F;
-  while(i--)delete createDict.prototype[keys1[i]];
-  return createDict();
-};
-var createGetKeys = function(names, length){
-  return function(object){
-    var O      = toIObject(object)
-      , i      = 0
-      , result = []
-      , key;
-    for(key in O)if(key != IE_PROTO)has(O, key) && result.push(key);
-    // Don't enum bug & hidden keys
-    while(length > i)if(has(O, key = names[i++])){
-      ~arrayIndexOf(result, key) || result.push(key);
-    }
-    return result;
-  };
-};
-var Empty = function(){};
-$export($export.S, 'Object', {
-  // 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)
-  getPrototypeOf: $.getProto = $.getProto || function(O){
-    O = toObject(O);
-    if(has(O, IE_PROTO))return O[IE_PROTO];
-    if(typeof O.constructor == 'function' && O instanceof O.constructor){
-      return O.constructor.prototype;
-    } return O instanceof Object ? ObjectProto : null;
-  },
-  // 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)
-  getOwnPropertyNames: $.getNames = $.getNames || createGetKeys(keys2, keys2.length, true),
-  // 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
-  create: $.create = $.create || function(O, /*?*/Properties){
-    var result;
-    if(O !== null){
-      Empty.prototype = anObject(O);
-      result = new Empty();
-      Empty.prototype = null;
-      // add "__proto__" for Object.getPrototypeOf shim
-      result[IE_PROTO] = O;
-    } else result = createDict();
-    return Properties === undefined ? result : defineProperties(result, Properties);
-  },
-  // 19.1.2.14 / 15.2.3.14 Object.keys(O)
-  keys: $.getKeys = $.getKeys || createGetKeys(keys1, keysLen1, false)
-});
-
-var construct = function(F, len, args){
-  if(!(len in factories)){
-    for(var n = [], i = 0; i < len; i++)n[i] = 'a[' + i + ']';
-    factories[len] = Function('F,a', 'return new F(' + n.join(',') + ')');
-  }
-  return factories[len](F, args);
-};
-
-// 19.2.3.2 / 15.3.4.5 Function.prototype.bind(thisArg, args...)
-$export($export.P, 'Function', {
-  bind: function bind(that /*, args... */){
-    var fn       = aFunction(this)
-      , partArgs = arraySlice.call(arguments, 1);
-    var bound = function(/* args... */){
-      var args = partArgs.concat(arraySlice.call(arguments));
-      return this instanceof bound ? construct(fn, args.length, args) : invoke(fn, args, that);
-    };
-    if(isObject(fn.prototype))bound.prototype = fn.prototype;
-    return bound;
-  }
-});
-
-// fallback for not array-like ES3 strings and DOM objects
-$export($export.P + $export.F * fails(function(){
-  if(html)arraySlice.call(html);
-}), 'Array', {
-  slice: function(begin, end){
-    var len   = toLength(this.length)
-      , klass = cof(this);
-    end = end === undefined ? len : end;
-    if(klass == 'Array')return arraySlice.call(this, begin, end);
-    var start  = toIndex(begin, len)
-      , upTo   = toIndex(end, len)
-      , size   = toLength(upTo - start)
-      , cloned = Array(size)
-      , i      = 0;
-    for(; i < size; i++)cloned[i] = klass == 'String'
-      ? this.charAt(start + i)
-      : this[start + i];
-    return cloned;
-  }
-});
-$export($export.P + $export.F * (IObject != Object), 'Array', {
-  join: function join(separator){
-    return arrayJoin.call(IObject(this), separator === undefined ? ',' : separator);
-  }
-});
-
-// 22.1.2.2 / 15.4.3.2 Array.isArray(arg)
-$export($export.S, 'Array', {isArray: require('./$.is-array')});
-
-var createArrayReduce = function(isRight){
-  return function(callbackfn, memo){
-    aFunction(callbackfn);
-    var O      = IObject(this)
-      , length = toLength(O.length)
-      , index  = isRight ? length - 1 : 0
-      , i      = isRight ? -1 : 1;
-    if(arguments.length < 2)for(;;){
-      if(index in O){
-        memo = O[index];
-        index += i;
-        break;
-      }
-      index += i;
-      if(isRight ? index < 0 : length <= index){
-        throw TypeError('Reduce of empty array with no initial value');
-      }
-    }
-    for(;isRight ? index >= 0 : length > index; index += i)if(index in O){
-      memo = callbackfn(memo, O[index], index, this);
-    }
-    return memo;
-  };
-};
-
-var methodize = function($fn){
-  return function(arg1/*, arg2 = undefined */){
-    return $fn(this, arg1, arguments[1]);
-  };
-};
-
-$export($export.P, 'Array', {
-  // 22.1.3.10 / 15.4.4.18 Array.prototype.forEach(callbackfn [, thisArg])
-  forEach: $.each = $.each || methodize(createArrayMethod(0)),
-  // 22.1.3.15 / 15.4.4.19 Array.prototype.map(callbackfn [, thisArg])
-  map: methodize(createArrayMethod(1)),
-  // 22.1.3.7 / 15.4.4.20 Array.prototype.filter(callbackfn [, thisArg])
-  filter: methodize(createArrayMethod(2)),
-  // 22.1.3.23 / 15.4.4.17 Array.prototype.some(callbackfn [, thisArg])
-  some: methodize(createArrayMethod(3)),
-  // 22.1.3.5 / 15.4.4.16 Array.prototype.every(callbackfn [, thisArg])
-  every: methodize(createArrayMethod(4)),
-  // 22.1.3.18 / 15.4.4.21 Array.prototype.reduce(callbackfn [, initialValue])
-  reduce: createArrayReduce(false),
-  // 22.1.3.19 / 15.4.4.22 Array.prototype.reduceRight(callbackfn [, initialValue])
-  reduceRight: createArrayReduce(true),
-  // 22.1.3.11 / 15.4.4.14 Array.prototype.indexOf(searchElement [, fromIndex])
-  indexOf: methodize(arrayIndexOf),
-  // 22.1.3.14 / 15.4.4.15 Array.prototype.lastIndexOf(searchElement [, fromIndex])
-  lastIndexOf: function(el, fromIndex /* = @[*-1] */){
-    var O      = toIObject(this)
-      , length = toLength(O.length)
-      , index  = length - 1;
-    if(arguments.length > 1)index = Math.min(index, toInteger(fromIndex));
-    if(index < 0)index = toLength(length + index);
-    for(;index >= 0; index--)if(index in O)if(O[index] === el)return index;
-    return -1;
-  }
-});
-
-// 20.3.3.1 / 15.9.4.4 Date.now()
-$export($export.S, 'Date', {now: function(){ return +new Date; }});
-
-var lz = function(num){
-  return num > 9 ? num : '0' + num;
-};
-
-// 20.3.4.36 / 15.9.5.43 Date.prototype.toISOString()
-// PhantomJS / old WebKit has a broken implementations
-$export($export.P + $export.F * (fails(function(){
-  return new Date(-5e13 - 1).toISOString() != '0385-07-25T07:06:39.999Z';
-}) || !fails(function(){
-  new Date(NaN).toISOString();
-})), 'Date', {
-  toISOString: function toISOString(){
-    if(!isFinite(this))throw RangeError('Invalid time value');
-    var d = this
-      , y = d.getUTCFullYear()
-      , m = d.getUTCMilliseconds()
-      , s = y < 0 ? '-' : y > 9999 ? '+' : '';
-    return s + ('00000' + Math.abs(y)).slice(s ? -6 : -4) +
-      '-' + lz(d.getUTCMonth() + 1) + '-' + lz(d.getUTCDate()) +
-      'T' + lz(d.getUTCHours()) + ':' + lz(d.getUTCMinutes()) +
-      ':' + lz(d.getUTCSeconds()) + '.' + (m > 99 ? m : '0' + lz(m)) + 'Z';
-  }
-});
\ No newline at end of file
+// This file still here for a legacy code and will be removed in a near time
+require('./es6.object.create');
+require('./es6.object.define-property');
+require('./es6.object.define-properties');
+require('./es6.object.get-own-property-descriptor');
+require('./es6.object.get-prototype-of');
+require('./es6.object.keys');
+require('./es6.object.get-own-property-names');
+require('./es6.object.freeze');
+require('./es6.object.seal');
+require('./es6.object.prevent-extensions');
+require('./es6.object.is-frozen');
+require('./es6.object.is-sealed');
+require('./es6.object.is-extensible');
+require('./es6.function.bind');
+require('./es6.array.is-array');
+require('./es6.array.join');
+require('./es6.array.slice');
+require('./es6.array.sort');
+require('./es6.array.for-each');
+require('./es6.array.map');
+require('./es6.array.filter');
+require('./es6.array.some');
+require('./es6.array.every');
+require('./es6.array.reduce');
+require('./es6.array.reduce-right');
+require('./es6.array.index-of');
+require('./es6.array.last-index-of');
+require('./es6.date.now');
+require('./es6.date.to-iso-string');
+require('./es6.date.to-json');
+require('./es6.parse-int');
+require('./es6.parse-float');
+require('./es6.string.trim');
+require('./es6.regexp.to-string');
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.array.copy-within.js b/node_modules/core-js/library/modules/es6.array.copy-within.js
index 930ba78d4..027f7550e 100644
--- a/node_modules/core-js/library/modules/es6.array.copy-within.js
+++ b/node_modules/core-js/library/modules/es6.array.copy-within.js
@@ -1,6 +1,6 @@
 // 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length)
-var $export = require('./$.export');
+var $export = require('./_export');
 
-$export($export.P, 'Array', {copyWithin: require('./$.array-copy-within')});
+$export($export.P, 'Array', {copyWithin: require('./_array-copy-within')});
 
-require('./$.add-to-unscopables')('copyWithin');
\ No newline at end of file
+require('./_add-to-unscopables')('copyWithin');
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.array.fill.js b/node_modules/core-js/library/modules/es6.array.fill.js
index c3b3e2e5d..f075c0018 100644
--- a/node_modules/core-js/library/modules/es6.array.fill.js
+++ b/node_modules/core-js/library/modules/es6.array.fill.js
@@ -1,6 +1,6 @@
 // 22.1.3.6 Array.prototype.fill(value, start = 0, end = this.length)
-var $export = require('./$.export');
+var $export = require('./_export');
 
-$export($export.P, 'Array', {fill: require('./$.array-fill')});
+$export($export.P, 'Array', {fill: require('./_array-fill')});
 
-require('./$.add-to-unscopables')('fill');
\ No newline at end of file
+require('./_add-to-unscopables')('fill');
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.array.find-index.js b/node_modules/core-js/library/modules/es6.array.find-index.js
index 7224a6062..530907412 100644
--- a/node_modules/core-js/library/modules/es6.array.find-index.js
+++ b/node_modules/core-js/library/modules/es6.array.find-index.js
@@ -1,7 +1,7 @@
 'use strict';
 // 22.1.3.9 Array.prototype.findIndex(predicate, thisArg = undefined)
-var $export = require('./$.export')
-  , $find   = require('./$.array-methods')(6)
+var $export = require('./_export')
+  , $find   = require('./_array-methods')(6)
   , KEY     = 'findIndex'
   , forced  = true;
 // Shouldn't skip holes
@@ -11,4 +11,4 @@ $export($export.P + $export.F * forced, 'Array', {
     return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
   }
 });
-require('./$.add-to-unscopables')(KEY);
\ No newline at end of file
+require('./_add-to-unscopables')(KEY);
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.array.find.js b/node_modules/core-js/library/modules/es6.array.find.js
index 199e987e7..90a9acfbe 100644
--- a/node_modules/core-js/library/modules/es6.array.find.js
+++ b/node_modules/core-js/library/modules/es6.array.find.js
@@ -1,7 +1,7 @@
 'use strict';
 // 22.1.3.8 Array.prototype.find(predicate, thisArg = undefined)
-var $export = require('./$.export')
-  , $find   = require('./$.array-methods')(5)
+var $export = require('./_export')
+  , $find   = require('./_array-methods')(5)
   , KEY     = 'find'
   , forced  = true;
 // Shouldn't skip holes
@@ -11,4 +11,4 @@ $export($export.P + $export.F * forced, 'Array', {
     return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
   }
 });
-require('./$.add-to-unscopables')(KEY);
\ No newline at end of file
+require('./_add-to-unscopables')(KEY);
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.array.from.js b/node_modules/core-js/library/modules/es6.array.from.js
index 4637d8d24..69e5d4a62 100644
--- a/node_modules/core-js/library/modules/es6.array.from.js
+++ b/node_modules/core-js/library/modules/es6.array.from.js
@@ -1,33 +1,34 @@
 'use strict';
-var ctx         = require('./$.ctx')
-  , $export     = require('./$.export')
-  , toObject    = require('./$.to-object')
-  , call        = require('./$.iter-call')
-  , isArrayIter = require('./$.is-array-iter')
-  , toLength    = require('./$.to-length')
-  , getIterFn   = require('./core.get-iterator-method');
-$export($export.S + $export.F * !require('./$.iter-detect')(function(iter){ Array.from(iter); }), 'Array', {
+var ctx            = require('./_ctx')
+  , $export        = require('./_export')
+  , toObject       = require('./_to-object')
+  , call           = require('./_iter-call')
+  , isArrayIter    = require('./_is-array-iter')
+  , toLength       = require('./_to-length')
+  , createProperty = require('./_create-property')
+  , getIterFn      = require('./core.get-iterator-method');
+
+$export($export.S + $export.F * !require('./_iter-detect')(function(iter){ Array.from(iter); }), 'Array', {
   // 22.1.2.1 Array.from(arrayLike, mapfn = undefined, thisArg = undefined)
   from: function from(arrayLike/*, mapfn = undefined, thisArg = undefined*/){
     var O       = toObject(arrayLike)
       , C       = typeof this == 'function' ? this : Array
-      , $$      = arguments
-      , $$len   = $$.length
-      , mapfn   = $$len > 1 ? $$[1] : undefined
+      , aLen    = arguments.length
+      , mapfn   = aLen > 1 ? arguments[1] : undefined
       , mapping = mapfn !== undefined
       , index   = 0
       , iterFn  = getIterFn(O)
       , length, result, step, iterator;
-    if(mapping)mapfn = ctx(mapfn, $$len > 2 ? $$[2] : undefined, 2);
+    if(mapping)mapfn = ctx(mapfn, aLen > 2 ? arguments[2] : undefined, 2);
     // if object isn't iterable or it's array with default iterator - use simple case
     if(iterFn != undefined && !(C == Array && isArrayIter(iterFn))){
       for(iterator = iterFn.call(O), result = new C; !(step = iterator.next()).done; index++){
-        result[index] = mapping ? call(iterator, mapfn, [step.value, index], true) : step.value;
+        createProperty(result, index, mapping ? call(iterator, mapfn, [step.value, index], true) : step.value);
       }
     } else {
       length = toLength(O.length);
       for(result = new C(length); length > index; index++){
-        result[index] = mapping ? mapfn(O[index], index) : O[index];
+        createProperty(result, index, mapping ? mapfn(O[index], index) : O[index]);
       }
     }
     result.length = index;
diff --git a/node_modules/core-js/library/modules/es6.array.iterator.js b/node_modules/core-js/library/modules/es6.array.iterator.js
index 52a546dd1..100b344d7 100644
--- a/node_modules/core-js/library/modules/es6.array.iterator.js
+++ b/node_modules/core-js/library/modules/es6.array.iterator.js
@@ -1,14 +1,14 @@
 'use strict';
-var addToUnscopables = require('./$.add-to-unscopables')
-  , step             = require('./$.iter-step')
-  , Iterators        = require('./$.iterators')
-  , toIObject        = require('./$.to-iobject');
+var addToUnscopables = require('./_add-to-unscopables')
+  , step             = require('./_iter-step')
+  , Iterators        = require('./_iterators')
+  , toIObject        = require('./_to-iobject');
 
 // 22.1.3.4 Array.prototype.entries()
 // 22.1.3.13 Array.prototype.keys()
 // 22.1.3.29 Array.prototype.values()
 // 22.1.3.30 Array.prototype[@@iterator]()
-module.exports = require('./$.iter-define')(Array, 'Array', function(iterated, kind){
+module.exports = require('./_iter-define')(Array, 'Array', function(iterated, kind){
   this._t = toIObject(iterated); // target
   this._i = 0;                   // next index
   this._k = kind;                // kind
diff --git a/node_modules/core-js/library/modules/es6.array.of.js b/node_modules/core-js/library/modules/es6.array.of.js
index f623f1573..dd4e1f816 100644
--- a/node_modules/core-js/library/modules/es6.array.of.js
+++ b/node_modules/core-js/library/modules/es6.array.of.js
@@ -1,19 +1,19 @@
 'use strict';
-var $export = require('./$.export');
+var $export        = require('./_export')
+  , createProperty = require('./_create-property');
 
 // WebKit Array.of isn't generic
-$export($export.S + $export.F * require('./$.fails')(function(){
+$export($export.S + $export.F * require('./_fails')(function(){
   function F(){}
   return !(Array.of.call(F) instanceof F);
 }), 'Array', {
   // 22.1.2.3 Array.of( ...items)
   of: function of(/* ...args */){
     var index  = 0
-      , $$     = arguments
-      , $$len  = $$.length
-      , result = new (typeof this == 'function' ? this : Array)($$len);
-    while($$len > index)result[index] = $$[index++];
-    result.length = $$len;
+      , aLen   = arguments.length
+      , result = new (typeof this == 'function' ? this : Array)(aLen);
+    while(aLen > index)createProperty(result, index, arguments[index++]);
+    result.length = aLen;
     return result;
   }
 });
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.array.species.js b/node_modules/core-js/library/modules/es6.array.species.js
index 543bdfe93..d63c738f7 100644
--- a/node_modules/core-js/library/modules/es6.array.species.js
+++ b/node_modules/core-js/library/modules/es6.array.species.js
@@ -1 +1 @@
-require('./$.set-species')('Array');
\ No newline at end of file
+require('./_set-species')('Array');
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.function.has-instance.js b/node_modules/core-js/library/modules/es6.function.has-instance.js
index 94d840f86..ae294b1f1 100644
--- a/node_modules/core-js/library/modules/es6.function.has-instance.js
+++ b/node_modules/core-js/library/modules/es6.function.has-instance.js
@@ -1,13 +1,13 @@
 'use strict';
-var $             = require('./$')
-  , isObject      = require('./$.is-object')
-  , HAS_INSTANCE  = require('./$.wks')('hasInstance')
-  , FunctionProto = Function.prototype;
+var isObject       = require('./_is-object')
+  , getPrototypeOf = require('./_object-gpo')
+  , HAS_INSTANCE   = require('./_wks')('hasInstance')
+  , FunctionProto  = Function.prototype;
 // 19.2.3.6 Function.prototype[@@hasInstance](V)
-if(!(HAS_INSTANCE in FunctionProto))$.setDesc(FunctionProto, HAS_INSTANCE, {value: function(O){
+if(!(HAS_INSTANCE in FunctionProto))require('./_object-dp').f(FunctionProto, HAS_INSTANCE, {value: function(O){
   if(typeof this != 'function' || !isObject(O))return false;
   if(!isObject(this.prototype))return O instanceof this;
   // for environment w/o native `@@hasInstance` logic enough `instanceof`, but add this:
-  while(O = $.getProto(O))if(this.prototype === O)return true;
+  while(O = getPrototypeOf(O))if(this.prototype === O)return true;
   return false;
 }});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.map.js b/node_modules/core-js/library/modules/es6.map.js
index 54fd5c1ab..a166430fc 100644
--- a/node_modules/core-js/library/modules/es6.map.js
+++ b/node_modules/core-js/library/modules/es6.map.js
@@ -1,8 +1,8 @@
 'use strict';
-var strong = require('./$.collection-strong');
+var strong = require('./_collection-strong');
 
 // 23.1 Map Objects
-require('./$.collection')('Map', function(get){
+module.exports = require('./_collection')('Map', function(get){
   return function Map(){ return get(this, arguments.length > 0 ? arguments[0] : undefined); };
 }, {
   // 23.1.3.6 Map.prototype.get(key)
diff --git a/node_modules/core-js/library/modules/es6.math.acosh.js b/node_modules/core-js/library/modules/es6.math.acosh.js
index f69282a8c..459f11990 100644
--- a/node_modules/core-js/library/modules/es6.math.acosh.js
+++ b/node_modules/core-js/library/modules/es6.math.acosh.js
@@ -1,11 +1,15 @@
 // 20.2.2.3 Math.acosh(x)
-var $export = require('./$.export')
-  , log1p   = require('./$.math-log1p')
+var $export = require('./_export')
+  , log1p   = require('./_math-log1p')
   , sqrt    = Math.sqrt
   , $acosh  = Math.acosh;
 
-// V8 bug https://code.google.com/p/v8/issues/detail?id=3509
-$export($export.S + $export.F * !($acosh && Math.floor($acosh(Number.MAX_VALUE)) == 710), 'Math', {
+$export($export.S + $export.F * !($acosh
+  // V8 bug: https://code.google.com/p/v8/issues/detail?id=3509
+  && Math.floor($acosh(Number.MAX_VALUE)) == 710
+  // Tor Browser bug: Math.acosh(Infinity) -> NaN 
+  && $acosh(Infinity) == Infinity
+), 'Math', {
   acosh: function acosh(x){
     return (x = +x) < 1 ? NaN : x > 94906265.62425156
       ? Math.log(x) + Math.LN2
diff --git a/node_modules/core-js/library/modules/es6.math.asinh.js b/node_modules/core-js/library/modules/es6.math.asinh.js
index bd34adf01..e6a74abb5 100644
--- a/node_modules/core-js/library/modules/es6.math.asinh.js
+++ b/node_modules/core-js/library/modules/es6.math.asinh.js
@@ -1,8 +1,10 @@
 // 20.2.2.5 Math.asinh(x)
-var $export = require('./$.export');
+var $export = require('./_export')
+  , $asinh  = Math.asinh;
 
 function asinh(x){
   return !isFinite(x = +x) || x == 0 ? x : x < 0 ? -asinh(-x) : Math.log(x + Math.sqrt(x * x + 1));
 }
 
-$export($export.S, 'Math', {asinh: asinh});
\ No newline at end of file
+// Tor Browser bug: Math.asinh(0) -> -0 
+$export($export.S + $export.F * !($asinh && 1 / $asinh(0) > 0), 'Math', {asinh: asinh});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.math.atanh.js b/node_modules/core-js/library/modules/es6.math.atanh.js
index 656ea409d..94575d9f0 100644
--- a/node_modules/core-js/library/modules/es6.math.atanh.js
+++ b/node_modules/core-js/library/modules/es6.math.atanh.js
@@ -1,7 +1,9 @@
 // 20.2.2.7 Math.atanh(x)
-var $export = require('./$.export');
+var $export = require('./_export')
+  , $atanh  = Math.atanh;
 
-$export($export.S, 'Math', {
+// Tor Browser bug: Math.atanh(-0) -> 0 
+$export($export.S + $export.F * !($atanh && 1 / $atanh(-0) < 0), 'Math', {
   atanh: function atanh(x){
     return (x = +x) == 0 ? x : Math.log((1 + x) / (1 - x)) / 2;
   }
diff --git a/node_modules/core-js/library/modules/es6.math.cbrt.js b/node_modules/core-js/library/modules/es6.math.cbrt.js
index 79a1fbc87..7ca7daea8 100644
--- a/node_modules/core-js/library/modules/es6.math.cbrt.js
+++ b/node_modules/core-js/library/modules/es6.math.cbrt.js
@@ -1,6 +1,6 @@
 // 20.2.2.9 Math.cbrt(x)
-var $export = require('./$.export')
-  , sign    = require('./$.math-sign');
+var $export = require('./_export')
+  , sign    = require('./_math-sign');
 
 $export($export.S, 'Math', {
   cbrt: function cbrt(x){
diff --git a/node_modules/core-js/library/modules/es6.math.clz32.js b/node_modules/core-js/library/modules/es6.math.clz32.js
index edd11588c..1ec534bd0 100644
--- a/node_modules/core-js/library/modules/es6.math.clz32.js
+++ b/node_modules/core-js/library/modules/es6.math.clz32.js
@@ -1,5 +1,5 @@
 // 20.2.2.11 Math.clz32(x)
-var $export = require('./$.export');
+var $export = require('./_export');
 
 $export($export.S, 'Math', {
   clz32: function clz32(x){
diff --git a/node_modules/core-js/library/modules/es6.math.cosh.js b/node_modules/core-js/library/modules/es6.math.cosh.js
index d1df7490c..4f2b21552 100644
--- a/node_modules/core-js/library/modules/es6.math.cosh.js
+++ b/node_modules/core-js/library/modules/es6.math.cosh.js
@@ -1,5 +1,5 @@
 // 20.2.2.12 Math.cosh(x)
-var $export = require('./$.export')
+var $export = require('./_export')
   , exp     = Math.exp;
 
 $export($export.S, 'Math', {
diff --git a/node_modules/core-js/library/modules/es6.math.expm1.js b/node_modules/core-js/library/modules/es6.math.expm1.js
index e27742fe3..9762b7cd0 100644
--- a/node_modules/core-js/library/modules/es6.math.expm1.js
+++ b/node_modules/core-js/library/modules/es6.math.expm1.js
@@ -1,4 +1,5 @@
 // 20.2.2.14 Math.expm1(x)
-var $export = require('./$.export');
+var $export = require('./_export')
+  , $expm1  = require('./_math-expm1');
 
-$export($export.S, 'Math', {expm1: require('./$.math-expm1')});
\ No newline at end of file
+$export($export.S + $export.F * ($expm1 != Math.expm1), 'Math', {expm1: $expm1});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.math.fround.js b/node_modules/core-js/library/modules/es6.math.fround.js
index 43cd70c7b..01a88862e 100644
--- a/node_modules/core-js/library/modules/es6.math.fround.js
+++ b/node_modules/core-js/library/modules/es6.math.fround.js
@@ -1,6 +1,6 @@
 // 20.2.2.16 Math.fround(x)
-var $export   = require('./$.export')
-  , sign      = require('./$.math-sign')
+var $export   = require('./_export')
+  , sign      = require('./_math-sign')
   , pow       = Math.pow
   , EPSILON   = pow(2, -52)
   , EPSILON32 = pow(2, -23)
diff --git a/node_modules/core-js/library/modules/es6.math.hypot.js b/node_modules/core-js/library/modules/es6.math.hypot.js
index a8edf7cde..508521b69 100644
--- a/node_modules/core-js/library/modules/es6.math.hypot.js
+++ b/node_modules/core-js/library/modules/es6.math.hypot.js
@@ -1,17 +1,16 @@
 // 20.2.2.17 Math.hypot([value1[, value2[, … ]]])
-var $export = require('./$.export')
+var $export = require('./_export')
   , abs     = Math.abs;
 
 $export($export.S, 'Math', {
   hypot: function hypot(value1, value2){ // eslint-disable-line no-unused-vars
-    var sum   = 0
-      , i     = 0
-      , $$    = arguments
-      , $$len = $$.length
-      , larg  = 0
+    var sum  = 0
+      , i    = 0
+      , aLen = arguments.length
+      , larg = 0
       , arg, div;
-    while(i < $$len){
-      arg = abs($$[i++]);
+    while(i < aLen){
+      arg = abs(arguments[i++]);
       if(larg < arg){
         div  = larg / arg;
         sum  = sum * div * div + 1;
diff --git a/node_modules/core-js/library/modules/es6.math.imul.js b/node_modules/core-js/library/modules/es6.math.imul.js
index 926053def..7f4111d27 100644
--- a/node_modules/core-js/library/modules/es6.math.imul.js
+++ b/node_modules/core-js/library/modules/es6.math.imul.js
@@ -1,9 +1,9 @@
 // 20.2.2.18 Math.imul(x, y)
-var $export = require('./$.export')
+var $export = require('./_export')
   , $imul   = Math.imul;
 
 // some WebKit versions fails with big numbers, some has wrong arity
-$export($export.S + $export.F * require('./$.fails')(function(){
+$export($export.S + $export.F * require('./_fails')(function(){
   return $imul(0xffffffff, 5) != -5 || $imul.length != 2;
 }), 'Math', {
   imul: function imul(x, y){
diff --git a/node_modules/core-js/library/modules/es6.math.log10.js b/node_modules/core-js/library/modules/es6.math.log10.js
index ef5ae6a96..791dfc353 100644
--- a/node_modules/core-js/library/modules/es6.math.log10.js
+++ b/node_modules/core-js/library/modules/es6.math.log10.js
@@ -1,5 +1,5 @@
 // 20.2.2.21 Math.log10(x)
-var $export = require('./$.export');
+var $export = require('./_export');
 
 $export($export.S, 'Math', {
   log10: function log10(x){
diff --git a/node_modules/core-js/library/modules/es6.math.log1p.js b/node_modules/core-js/library/modules/es6.math.log1p.js
index 31c395ec8..a1de0258d 100644
--- a/node_modules/core-js/library/modules/es6.math.log1p.js
+++ b/node_modules/core-js/library/modules/es6.math.log1p.js
@@ -1,4 +1,4 @@
 // 20.2.2.20 Math.log1p(x)
-var $export = require('./$.export');
+var $export = require('./_export');
 
-$export($export.S, 'Math', {log1p: require('./$.math-log1p')});
\ No newline at end of file
+$export($export.S, 'Math', {log1p: require('./_math-log1p')});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.math.log2.js b/node_modules/core-js/library/modules/es6.math.log2.js
index 24c0124b0..c4ba7819c 100644
--- a/node_modules/core-js/library/modules/es6.math.log2.js
+++ b/node_modules/core-js/library/modules/es6.math.log2.js
@@ -1,5 +1,5 @@
 // 20.2.2.22 Math.log2(x)
-var $export = require('./$.export');
+var $export = require('./_export');
 
 $export($export.S, 'Math', {
   log2: function log2(x){
diff --git a/node_modules/core-js/library/modules/es6.math.sign.js b/node_modules/core-js/library/modules/es6.math.sign.js
index fd8d8bc36..5dbee6f66 100644
--- a/node_modules/core-js/library/modules/es6.math.sign.js
+++ b/node_modules/core-js/library/modules/es6.math.sign.js
@@ -1,4 +1,4 @@
 // 20.2.2.28 Math.sign(x)
-var $export = require('./$.export');
+var $export = require('./_export');
 
-$export($export.S, 'Math', {sign: require('./$.math-sign')});
\ No newline at end of file
+$export($export.S, 'Math', {sign: require('./_math-sign')});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.math.sinh.js b/node_modules/core-js/library/modules/es6.math.sinh.js
index a01c4d374..5464ae3e6 100644
--- a/node_modules/core-js/library/modules/es6.math.sinh.js
+++ b/node_modules/core-js/library/modules/es6.math.sinh.js
@@ -1,10 +1,10 @@
 // 20.2.2.30 Math.sinh(x)
-var $export = require('./$.export')
-  , expm1   = require('./$.math-expm1')
+var $export = require('./_export')
+  , expm1   = require('./_math-expm1')
   , exp     = Math.exp;
 
 // V8 near Chromium 38 has a problem with very small numbers
-$export($export.S + $export.F * require('./$.fails')(function(){
+$export($export.S + $export.F * require('./_fails')(function(){
   return !Math.sinh(-2e-17) != -2e-17;
 }), 'Math', {
   sinh: function sinh(x){
diff --git a/node_modules/core-js/library/modules/es6.math.tanh.js b/node_modules/core-js/library/modules/es6.math.tanh.js
index 0d081a5da..d2f10778c 100644
--- a/node_modules/core-js/library/modules/es6.math.tanh.js
+++ b/node_modules/core-js/library/modules/es6.math.tanh.js
@@ -1,6 +1,6 @@
 // 20.2.2.33 Math.tanh(x)
-var $export = require('./$.export')
-  , expm1   = require('./$.math-expm1')
+var $export = require('./_export')
+  , expm1   = require('./_math-expm1')
   , exp     = Math.exp;
 
 $export($export.S, 'Math', {
diff --git a/node_modules/core-js/library/modules/es6.math.trunc.js b/node_modules/core-js/library/modules/es6.math.trunc.js
index f3f085596..2e42563b6 100644
--- a/node_modules/core-js/library/modules/es6.math.trunc.js
+++ b/node_modules/core-js/library/modules/es6.math.trunc.js
@@ -1,5 +1,5 @@
 // 20.2.2.34 Math.trunc(x)
-var $export = require('./$.export');
+var $export = require('./_export');
 
 $export($export.S, 'Math', {
   trunc: function trunc(it){
diff --git a/node_modules/core-js/library/modules/es6.number.epsilon.js b/node_modules/core-js/library/modules/es6.number.epsilon.js
index 45c865cfa..d25898ccc 100644
--- a/node_modules/core-js/library/modules/es6.number.epsilon.js
+++ b/node_modules/core-js/library/modules/es6.number.epsilon.js
@@ -1,4 +1,4 @@
 // 20.1.2.1 Number.EPSILON
-var $export = require('./$.export');
+var $export = require('./_export');
 
 $export($export.S, 'Number', {EPSILON: Math.pow(2, -52)});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.number.is-finite.js b/node_modules/core-js/library/modules/es6.number.is-finite.js
index 362a6c80d..c8c42753b 100644
--- a/node_modules/core-js/library/modules/es6.number.is-finite.js
+++ b/node_modules/core-js/library/modules/es6.number.is-finite.js
@@ -1,6 +1,6 @@
 // 20.1.2.2 Number.isFinite(number)
-var $export   = require('./$.export')
-  , _isFinite = require('./$.global').isFinite;
+var $export   = require('./_export')
+  , _isFinite = require('./_global').isFinite;
 
 $export($export.S, 'Number', {
   isFinite: function isFinite(it){
diff --git a/node_modules/core-js/library/modules/es6.number.is-integer.js b/node_modules/core-js/library/modules/es6.number.is-integer.js
index 189db9a27..dc0f8f009 100644
--- a/node_modules/core-js/library/modules/es6.number.is-integer.js
+++ b/node_modules/core-js/library/modules/es6.number.is-integer.js
@@ -1,4 +1,4 @@
 // 20.1.2.3 Number.isInteger(number)
-var $export = require('./$.export');
+var $export = require('./_export');
 
-$export($export.S, 'Number', {isInteger: require('./$.is-integer')});
\ No newline at end of file
+$export($export.S, 'Number', {isInteger: require('./_is-integer')});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.number.is-nan.js b/node_modules/core-js/library/modules/es6.number.is-nan.js
index 151bb4b2b..5fedf8252 100644
--- a/node_modules/core-js/library/modules/es6.number.is-nan.js
+++ b/node_modules/core-js/library/modules/es6.number.is-nan.js
@@ -1,5 +1,5 @@
 // 20.1.2.4 Number.isNaN(number)
-var $export = require('./$.export');
+var $export = require('./_export');
 
 $export($export.S, 'Number', {
   isNaN: function isNaN(number){
diff --git a/node_modules/core-js/library/modules/es6.number.is-safe-integer.js b/node_modules/core-js/library/modules/es6.number.is-safe-integer.js
index e23b4cbc5..92193e2ec 100644
--- a/node_modules/core-js/library/modules/es6.number.is-safe-integer.js
+++ b/node_modules/core-js/library/modules/es6.number.is-safe-integer.js
@@ -1,6 +1,6 @@
 // 20.1.2.5 Number.isSafeInteger(number)
-var $export   = require('./$.export')
-  , isInteger = require('./$.is-integer')
+var $export   = require('./_export')
+  , isInteger = require('./_is-integer')
   , abs       = Math.abs;
 
 $export($export.S, 'Number', {
diff --git a/node_modules/core-js/library/modules/es6.number.max-safe-integer.js b/node_modules/core-js/library/modules/es6.number.max-safe-integer.js
index a1aaf7412..b9d7f2a77 100644
--- a/node_modules/core-js/library/modules/es6.number.max-safe-integer.js
+++ b/node_modules/core-js/library/modules/es6.number.max-safe-integer.js
@@ -1,4 +1,4 @@
 // 20.1.2.6 Number.MAX_SAFE_INTEGER
-var $export = require('./$.export');
+var $export = require('./_export');
 
 $export($export.S, 'Number', {MAX_SAFE_INTEGER: 0x1fffffffffffff});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.number.min-safe-integer.js b/node_modules/core-js/library/modules/es6.number.min-safe-integer.js
index ab97cb5dc..9a2beeb3c 100644
--- a/node_modules/core-js/library/modules/es6.number.min-safe-integer.js
+++ b/node_modules/core-js/library/modules/es6.number.min-safe-integer.js
@@ -1,4 +1,4 @@
 // 20.1.2.10 Number.MIN_SAFE_INTEGER
-var $export = require('./$.export');
+var $export = require('./_export');
 
 $export($export.S, 'Number', {MIN_SAFE_INTEGER: -0x1fffffffffffff});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.number.parse-float.js b/node_modules/core-js/library/modules/es6.number.parse-float.js
index 1d0c96741..7ee14da03 100644
--- a/node_modules/core-js/library/modules/es6.number.parse-float.js
+++ b/node_modules/core-js/library/modules/es6.number.parse-float.js
@@ -1,4 +1,4 @@
+var $export     = require('./_export')
+  , $parseFloat = require('./_parse-float');
 // 20.1.2.12 Number.parseFloat(string)
-var $export = require('./$.export');
-
-$export($export.S, 'Number', {parseFloat: parseFloat});
\ No newline at end of file
+$export($export.S + $export.F * (Number.parseFloat != $parseFloat), 'Number', {parseFloat: $parseFloat});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.number.parse-int.js b/node_modules/core-js/library/modules/es6.number.parse-int.js
index 813b5b795..59bf14459 100644
--- a/node_modules/core-js/library/modules/es6.number.parse-int.js
+++ b/node_modules/core-js/library/modules/es6.number.parse-int.js
@@ -1,4 +1,4 @@
+var $export   = require('./_export')
+  , $parseInt = require('./_parse-int');
 // 20.1.2.13 Number.parseInt(string, radix)
-var $export = require('./$.export');
-
-$export($export.S, 'Number', {parseInt: parseInt});
\ No newline at end of file
+$export($export.S + $export.F * (Number.parseInt != $parseInt), 'Number', {parseInt: $parseInt});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.object.assign.js b/node_modules/core-js/library/modules/es6.object.assign.js
index b62e7a420..13eda2cb8 100644
--- a/node_modules/core-js/library/modules/es6.object.assign.js
+++ b/node_modules/core-js/library/modules/es6.object.assign.js
@@ -1,4 +1,4 @@
 // 19.1.3.1 Object.assign(target, source)
-var $export = require('./$.export');
+var $export = require('./_export');
 
-$export($export.S + $export.F, 'Object', {assign: require('./$.object-assign')});
\ No newline at end of file
+$export($export.S + $export.F, 'Object', {assign: require('./_object-assign')});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.object.freeze.js b/node_modules/core-js/library/modules/es6.object.freeze.js
index fa87c9512..34b510842 100644
--- a/node_modules/core-js/library/modules/es6.object.freeze.js
+++ b/node_modules/core-js/library/modules/es6.object.freeze.js
@@ -1,8 +1,9 @@
 // 19.1.2.5 Object.freeze(O)
-var isObject = require('./$.is-object');
+var isObject = require('./_is-object')
+  , meta     = require('./_meta').onFreeze;
 
-require('./$.object-sap')('freeze', function($freeze){
+require('./_object-sap')('freeze', function($freeze){
   return function freeze(it){
-    return $freeze && isObject(it) ? $freeze(it) : it;
+    return $freeze && isObject(it) ? $freeze(meta(it)) : it;
   };
 });
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.object.get-own-property-descriptor.js b/node_modules/core-js/library/modules/es6.object.get-own-property-descriptor.js
index 9b253acdd..60c69913a 100644
--- a/node_modules/core-js/library/modules/es6.object.get-own-property-descriptor.js
+++ b/node_modules/core-js/library/modules/es6.object.get-own-property-descriptor.js
@@ -1,7 +1,8 @@
 // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)
-var toIObject = require('./$.to-iobject');
+var toIObject                 = require('./_to-iobject')
+  , $getOwnPropertyDescriptor = require('./_object-gopd').f;
 
-require('./$.object-sap')('getOwnPropertyDescriptor', function($getOwnPropertyDescriptor){
+require('./_object-sap')('getOwnPropertyDescriptor', function(){
   return function getOwnPropertyDescriptor(it, key){
     return $getOwnPropertyDescriptor(toIObject(it), key);
   };
diff --git a/node_modules/core-js/library/modules/es6.object.get-own-property-names.js b/node_modules/core-js/library/modules/es6.object.get-own-property-names.js
index e87bcf607..91dd110d2 100644
--- a/node_modules/core-js/library/modules/es6.object.get-own-property-names.js
+++ b/node_modules/core-js/library/modules/es6.object.get-own-property-names.js
@@ -1,4 +1,4 @@
 // 19.1.2.7 Object.getOwnPropertyNames(O)
-require('./$.object-sap')('getOwnPropertyNames', function(){
-  return require('./$.get-names').get;
+require('./_object-sap')('getOwnPropertyNames', function(){
+  return require('./_object-gopn-ext').f;
 });
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.object.get-prototype-of.js b/node_modules/core-js/library/modules/es6.object.get-prototype-of.js
index 9ec0405b6..b124e28fa 100644
--- a/node_modules/core-js/library/modules/es6.object.get-prototype-of.js
+++ b/node_modules/core-js/library/modules/es6.object.get-prototype-of.js
@@ -1,7 +1,8 @@
 // 19.1.2.9 Object.getPrototypeOf(O)
-var toObject = require('./$.to-object');
+var toObject        = require('./_to-object')
+  , $getPrototypeOf = require('./_object-gpo');
 
-require('./$.object-sap')('getPrototypeOf', function($getPrototypeOf){
+require('./_object-sap')('getPrototypeOf', function(){
   return function getPrototypeOf(it){
     return $getPrototypeOf(toObject(it));
   };
diff --git a/node_modules/core-js/library/modules/es6.object.is-extensible.js b/node_modules/core-js/library/modules/es6.object.is-extensible.js
index ada2b95a9..94bf8a815 100644
--- a/node_modules/core-js/library/modules/es6.object.is-extensible.js
+++ b/node_modules/core-js/library/modules/es6.object.is-extensible.js
@@ -1,7 +1,7 @@
 // 19.1.2.11 Object.isExtensible(O)
-var isObject = require('./$.is-object');
+var isObject = require('./_is-object');
 
-require('./$.object-sap')('isExtensible', function($isExtensible){
+require('./_object-sap')('isExtensible', function($isExtensible){
   return function isExtensible(it){
     return isObject(it) ? $isExtensible ? $isExtensible(it) : true : false;
   };
diff --git a/node_modules/core-js/library/modules/es6.object.is-frozen.js b/node_modules/core-js/library/modules/es6.object.is-frozen.js
index b3e44d1b7..4bdfd11b1 100644
--- a/node_modules/core-js/library/modules/es6.object.is-frozen.js
+++ b/node_modules/core-js/library/modules/es6.object.is-frozen.js
@@ -1,7 +1,7 @@
 // 19.1.2.12 Object.isFrozen(O)
-var isObject = require('./$.is-object');
+var isObject = require('./_is-object');
 
-require('./$.object-sap')('isFrozen', function($isFrozen){
+require('./_object-sap')('isFrozen', function($isFrozen){
   return function isFrozen(it){
     return isObject(it) ? $isFrozen ? $isFrozen(it) : false : true;
   };
diff --git a/node_modules/core-js/library/modules/es6.object.is-sealed.js b/node_modules/core-js/library/modules/es6.object.is-sealed.js
index 423caf331..d13aa1b06 100644
--- a/node_modules/core-js/library/modules/es6.object.is-sealed.js
+++ b/node_modules/core-js/library/modules/es6.object.is-sealed.js
@@ -1,7 +1,7 @@
 // 19.1.2.13 Object.isSealed(O)
-var isObject = require('./$.is-object');
+var isObject = require('./_is-object');
 
-require('./$.object-sap')('isSealed', function($isSealed){
+require('./_object-sap')('isSealed', function($isSealed){
   return function isSealed(it){
     return isObject(it) ? $isSealed ? $isSealed(it) : false : true;
   };
diff --git a/node_modules/core-js/library/modules/es6.object.is.js b/node_modules/core-js/library/modules/es6.object.is.js
index 3ae3b6046..ad2994256 100644
--- a/node_modules/core-js/library/modules/es6.object.is.js
+++ b/node_modules/core-js/library/modules/es6.object.is.js
@@ -1,3 +1,3 @@
 // 19.1.3.10 Object.is(value1, value2)
-var $export = require('./$.export');
-$export($export.S, 'Object', {is: require('./$.same-value')});
\ No newline at end of file
+var $export = require('./_export');
+$export($export.S, 'Object', {is: require('./_same-value')});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.object.keys.js b/node_modules/core-js/library/modules/es6.object.keys.js
index e3c18c020..bf76c07d7 100644
--- a/node_modules/core-js/library/modules/es6.object.keys.js
+++ b/node_modules/core-js/library/modules/es6.object.keys.js
@@ -1,7 +1,8 @@
 // 19.1.2.14 Object.keys(O)
-var toObject = require('./$.to-object');
+var toObject = require('./_to-object')
+  , $keys    = require('./_object-keys');
 
-require('./$.object-sap')('keys', function($keys){
+require('./_object-sap')('keys', function(){
   return function keys(it){
     return $keys(toObject(it));
   };
diff --git a/node_modules/core-js/library/modules/es6.object.prevent-extensions.js b/node_modules/core-js/library/modules/es6.object.prevent-extensions.js
index 20f879e28..adaff7a79 100644
--- a/node_modules/core-js/library/modules/es6.object.prevent-extensions.js
+++ b/node_modules/core-js/library/modules/es6.object.prevent-extensions.js
@@ -1,8 +1,9 @@
 // 19.1.2.15 Object.preventExtensions(O)
-var isObject = require('./$.is-object');
+var isObject = require('./_is-object')
+  , meta     = require('./_meta').onFreeze;
 
-require('./$.object-sap')('preventExtensions', function($preventExtensions){
+require('./_object-sap')('preventExtensions', function($preventExtensions){
   return function preventExtensions(it){
-    return $preventExtensions && isObject(it) ? $preventExtensions(it) : it;
+    return $preventExtensions && isObject(it) ? $preventExtensions(meta(it)) : it;
   };
 });
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.object.seal.js b/node_modules/core-js/library/modules/es6.object.seal.js
index 85a7fa98f..d7e4ea958 100644
--- a/node_modules/core-js/library/modules/es6.object.seal.js
+++ b/node_modules/core-js/library/modules/es6.object.seal.js
@@ -1,8 +1,9 @@
 // 19.1.2.17 Object.seal(O)
-var isObject = require('./$.is-object');
+var isObject = require('./_is-object')
+  , meta     = require('./_meta').onFreeze;
 
-require('./$.object-sap')('seal', function($seal){
+require('./_object-sap')('seal', function($seal){
   return function seal(it){
-    return $seal && isObject(it) ? $seal(it) : it;
+    return $seal && isObject(it) ? $seal(meta(it)) : it;
   };
 });
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.object.set-prototype-of.js b/node_modules/core-js/library/modules/es6.object.set-prototype-of.js
index 79a147c3f..5bbe4c068 100644
--- a/node_modules/core-js/library/modules/es6.object.set-prototype-of.js
+++ b/node_modules/core-js/library/modules/es6.object.set-prototype-of.js
@@ -1,3 +1,3 @@
 // 19.1.3.19 Object.setPrototypeOf(O, proto)
-var $export = require('./$.export');
-$export($export.S, 'Object', {setPrototypeOf: require('./$.set-proto').set});
\ No newline at end of file
+var $export = require('./_export');
+$export($export.S, 'Object', {setPrototypeOf: require('./_set-proto').set});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.promise.js b/node_modules/core-js/library/modules/es6.promise.js
index fbf20177a..262a93af1 100644
--- a/node_modules/core-js/library/modules/es6.promise.js
+++ b/node_modules/core-js/library/modules/es6.promise.js
@@ -1,86 +1,58 @@
 'use strict';
-var $          = require('./$')
-  , LIBRARY    = require('./$.library')
-  , global     = require('./$.global')
-  , ctx        = require('./$.ctx')
-  , classof    = require('./$.classof')
-  , $export    = require('./$.export')
-  , isObject   = require('./$.is-object')
-  , anObject   = require('./$.an-object')
-  , aFunction  = require('./$.a-function')
-  , strictNew  = require('./$.strict-new')
-  , forOf      = require('./$.for-of')
-  , setProto   = require('./$.set-proto').set
-  , same       = require('./$.same-value')
-  , SPECIES    = require('./$.wks')('species')
-  , speciesConstructor = require('./$.species-constructor')
-  , asap       = require('./$.microtask')
-  , PROMISE    = 'Promise'
-  , process    = global.process
-  , isNode     = classof(process) == 'process'
-  , P          = global[PROMISE]
-  , empty      = function(){ /* empty */ }
-  , Wrapper;
+var LIBRARY            = require('./_library')
+  , global             = require('./_global')
+  , ctx                = require('./_ctx')
+  , classof            = require('./_classof')
+  , $export            = require('./_export')
+  , isObject           = require('./_is-object')
+  , aFunction          = require('./_a-function')
+  , anInstance         = require('./_an-instance')
+  , forOf              = require('./_for-of')
+  , speciesConstructor = require('./_species-constructor')
+  , task               = require('./_task').set
+  , microtask          = require('./_microtask')()
+  , PROMISE            = 'Promise'
+  , TypeError          = global.TypeError
+  , process            = global.process
+  , $Promise           = global[PROMISE]
+  , process            = global.process
+  , isNode             = classof(process) == 'process'
+  , empty              = function(){ /* empty */ }
+  , Internal, GenericPromiseCapability, Wrapper;
 
-var testResolve = function(sub){
-  var test = new P(empty), promise;
-  if(sub)test.constructor = function(exec){
-    exec(empty, empty);
-  };
-  (promise = P.resolve(test))['catch'](empty);
-  return promise === test;
-};
-
-var USE_NATIVE = function(){
-  var works = false;
-  function P2(x){
-    var self = new P(x);
-    setProto(self, P2.prototype);
-    return self;
-  }
+var USE_NATIVE = !!function(){
   try {
-    works = P && P.resolve && testResolve();
-    setProto(P2, P);
-    P2.prototype = $.create(P.prototype, {constructor: {value: P2}});
-    // actual Firefox has broken subclass support, test that
-    if(!(P2.resolve(5).then(function(){}) instanceof P2)){
-      works = false;
-    }
-    // actual V8 bug, https://code.google.com/p/v8/issues/detail?id=4162
-    if(works && require('./$.descriptors')){
-      var thenableThenGotten = false;
-      P.resolve($.setDesc({}, 'then', {
-        get: function(){ thenableThenGotten = true; }
-      }));
-      works = thenableThenGotten;
-    }
-  } catch(e){ works = false; }
-  return works;
+    // correct subclassing with @@species support
+    var promise     = $Promise.resolve(1)
+      , FakePromise = (promise.constructor = {})[require('./_wks')('species')] = function(exec){ exec(empty, empty); };
+    // unhandled rejections tracking support, NodeJS Promise without it fails @@species test
+    return (isNode || typeof PromiseRejectionEvent == 'function') && promise.then(empty) instanceof FakePromise;
+  } catch(e){ /* empty */ }
 }();
 
 // helpers
 var sameConstructor = function(a, b){
-  // library wrapper special case
-  if(LIBRARY && a === P && b === Wrapper)return true;
-  return same(a, b);
-};
-var getConstructor = function(C){
-  var S = anObject(C)[SPECIES];
-  return S != undefined ? S : C;
+  // with library wrapper special case
+  return a === b || a === $Promise && b === Wrapper;
 };
 var isThenable = function(it){
   var then;
   return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
 };
-var PromiseCapability = function(C){
+var newPromiseCapability = function(C){
+  return sameConstructor($Promise, C)
+    ? new PromiseCapability(C)
+    : new GenericPromiseCapability(C);
+};
+var PromiseCapability = GenericPromiseCapability = function(C){
   var resolve, reject;
   this.promise = new C(function($$resolve, $$reject){
     if(resolve !== undefined || reject !== undefined)throw TypeError('Bad Promise constructor');
     resolve = $$resolve;
     reject  = $$reject;
   });
-  this.resolve = aFunction(resolve),
-  this.reject  = aFunction(reject)
+  this.resolve = aFunction(resolve);
+  this.reject  = aFunction(reject);
 };
 var perform = function(exec){
   try {
@@ -89,23 +61,32 @@ var perform = function(exec){
     return {error: e};
   }
 };
-var notify = function(record, isReject){
-  if(record.n)return;
-  record.n = true;
-  var chain = record.c;
-  asap(function(){
-    var value = record.v
-      , ok    = record.s == 1
+var notify = function(promise, isReject){
+  if(promise._n)return;
+  promise._n = true;
+  var chain = promise._c;
+  microtask(function(){
+    var value = promise._v
+      , ok    = promise._s == 1
       , i     = 0;
     var run = function(reaction){
       var handler = ok ? reaction.ok : reaction.fail
         , resolve = reaction.resolve
         , reject  = reaction.reject
+        , domain  = reaction.domain
         , result, then;
       try {
         if(handler){
-          if(!ok)record.h = true;
-          result = handler === true ? value : handler(value);
+          if(!ok){
+            if(promise._h == 2)onHandleUnhandled(promise);
+            promise._h = 1;
+          }
+          if(handler === true)result = value;
+          else {
+            if(domain)domain.enter();
+            result = handler(value);
+            if(domain)domain.exit();
+          }
           if(result === reaction.promise){
             reject(TypeError('Promise-chain cycle'));
           } else if(then = isThenable(result)){
@@ -117,12 +98,17 @@ var notify = function(record, isReject){
       }
     };
     while(chain.length > i)run(chain[i++]); // variable length - can't use forEach
-    chain.length = 0;
-    record.n = false;
-    if(isReject)setTimeout(function(){
-      var promise = record.p
-        , handler, console;
-      if(isUnhandled(promise)){
+    promise._c = [];
+    promise._n = false;
+    if(isReject && !promise._h)onUnhandled(promise);
+  });
+};
+var onUnhandled = function(promise){
+  task.call(global, function(){
+    var value = promise._v
+      , abrupt, handler, console;
+    if(isUnhandled(promise)){
+      abrupt = perform(function(){
         if(isNode){
           process.emit('unhandledRejection', value, promise);
         } else if(handler = global.onunhandledrejection){
@@ -130,42 +116,54 @@ var notify = function(record, isReject){
         } else if((console = global.console) && console.error){
           console.error('Unhandled promise rejection', value);
         }
-      } record.a = undefined;
-    }, 1);
+      });
+      // Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should
+      promise._h = isNode || isUnhandled(promise) ? 2 : 1;
+    } promise._a = undefined;
+    if(abrupt)throw abrupt.error;
   });
 };
 var isUnhandled = function(promise){
-  var record = promise._d
-    , chain  = record.a || record.c
-    , i      = 0
+  if(promise._h == 1)return false;
+  var chain = promise._a || promise._c
+    , i     = 0
     , reaction;
-  if(record.h)return false;
   while(chain.length > i){
     reaction = chain[i++];
     if(reaction.fail || !isUnhandled(reaction.promise))return false;
   } return true;
 };
+var onHandleUnhandled = function(promise){
+  task.call(global, function(){
+    var handler;
+    if(isNode){
+      process.emit('rejectionHandled', promise);
+    } else if(handler = global.onrejectionhandled){
+      handler({promise: promise, reason: promise._v});
+    }
+  });
+};
 var $reject = function(value){
-  var record = this;
-  if(record.d)return;
-  record.d = true;
-  record = record.r || record; // unwrap
-  record.v = value;
-  record.s = 2;
-  record.a = record.c.slice();
-  notify(record, true);
+  var promise = this;
+  if(promise._d)return;
+  promise._d = true;
+  promise = promise._w || promise; // unwrap
+  promise._v = value;
+  promise._s = 2;
+  if(!promise._a)promise._a = promise._c.slice();
+  notify(promise, true);
 };
 var $resolve = function(value){
-  var record = this
+  var promise = this
     , then;
-  if(record.d)return;
-  record.d = true;
-  record = record.r || record; // unwrap
+  if(promise._d)return;
+  promise._d = true;
+  promise = promise._w || promise; // unwrap
   try {
-    if(record.p === value)throw TypeError("Promise can't be resolved itself");
+    if(promise === value)throw TypeError("Promise can't be resolved itself");
     if(then = isThenable(value)){
-      asap(function(){
-        var wrapper = {r: record, d: false}; // wrap
+      microtask(function(){
+        var wrapper = {_w: promise, _d: false}; // wrap
         try {
           then.call(value, ctx($resolve, wrapper, 1), ctx($reject, wrapper, 1));
         } catch(e){
@@ -173,114 +171,122 @@ var $resolve = function(value){
         }
       });
     } else {
-      record.v = value;
-      record.s = 1;
-      notify(record, false);
+      promise._v = value;
+      promise._s = 1;
+      notify(promise, false);
     }
   } catch(e){
-    $reject.call({r: record, d: false}, e); // wrap
+    $reject.call({_w: promise, _d: false}, e); // wrap
   }
 };
 
 // constructor polyfill
 if(!USE_NATIVE){
   // 25.4.3.1 Promise(executor)
-  P = function Promise(executor){
+  $Promise = function Promise(executor){
+    anInstance(this, $Promise, PROMISE, '_h');
     aFunction(executor);
-    var record = this._d = {
-      p: strictNew(this, P, PROMISE),         // <- promise
-      c: [],                                  // <- awaiting reactions
-      a: undefined,                           // <- checked in isUnhandled reactions
-      s: 0,                                   // <- state
-      d: false,                               // <- done
-      v: undefined,                           // <- value
-      h: false,                               // <- handled rejection
-      n: false                                // <- notify
-    };
+    Internal.call(this);
     try {
-      executor(ctx($resolve, record, 1), ctx($reject, record, 1));
+      executor(ctx($resolve, this, 1), ctx($reject, this, 1));
     } catch(err){
-      $reject.call(record, err);
+      $reject.call(this, err);
     }
   };
-  require('./$.redefine-all')(P.prototype, {
+  Internal = function Promise(executor){
+    this._c = [];             // <- awaiting reactions
+    this._a = undefined;      // <- checked in isUnhandled reactions
+    this._s = 0;              // <- state
+    this._d = false;          // <- done
+    this._v = undefined;      // <- value
+    this._h = 0;              // <- rejection state, 0 - default, 1 - handled, 2 - unhandled
+    this._n = false;          // <- notify
+  };
+  Internal.prototype = require('./_redefine-all')($Promise.prototype, {
     // 25.4.5.3 Promise.prototype.then(onFulfilled, onRejected)
     then: function then(onFulfilled, onRejected){
-      var reaction = new PromiseCapability(speciesConstructor(this, P))
-        , promise  = reaction.promise
-        , record   = this._d;
-      reaction.ok   = typeof onFulfilled == 'function' ? onFulfilled : true;
-      reaction.fail = typeof onRejected == 'function' && onRejected;
-      record.c.push(reaction);
-      if(record.a)record.a.push(reaction);
-      if(record.s)notify(record, false);
-      return promise;
+      var reaction    = newPromiseCapability(speciesConstructor(this, $Promise));
+      reaction.ok     = typeof onFulfilled == 'function' ? onFulfilled : true;
+      reaction.fail   = typeof onRejected == 'function' && onRejected;
+      reaction.domain = isNode ? process.domain : undefined;
+      this._c.push(reaction);
+      if(this._a)this._a.push(reaction);
+      if(this._s)notify(this, false);
+      return reaction.promise;
     },
     // 25.4.5.1 Promise.prototype.catch(onRejected)
     'catch': function(onRejected){
       return this.then(undefined, onRejected);
     }
   });
+  PromiseCapability = function(){
+    var promise  = new Internal;
+    this.promise = promise;
+    this.resolve = ctx($resolve, promise, 1);
+    this.reject  = ctx($reject, promise, 1);
+  };
 }
 
-$export($export.G + $export.W + $export.F * !USE_NATIVE, {Promise: P});
-require('./$.set-to-string-tag')(P, PROMISE);
-require('./$.set-species')(PROMISE);
-Wrapper = require('./$.core')[PROMISE];
+$export($export.G + $export.W + $export.F * !USE_NATIVE, {Promise: $Promise});
+require('./_set-to-string-tag')($Promise, PROMISE);
+require('./_set-species')(PROMISE);
+Wrapper = require('./_core')[PROMISE];
 
 // statics
 $export($export.S + $export.F * !USE_NATIVE, PROMISE, {
   // 25.4.4.5 Promise.reject(r)
   reject: function reject(r){
-    var capability = new PromiseCapability(this)
+    var capability = newPromiseCapability(this)
       , $$reject   = capability.reject;
     $$reject(r);
     return capability.promise;
   }
 });
-$export($export.S + $export.F * (!USE_NATIVE || testResolve(true)), PROMISE, {
+$export($export.S + $export.F * (LIBRARY || !USE_NATIVE), PROMISE, {
   // 25.4.4.6 Promise.resolve(x)
   resolve: function resolve(x){
     // instanceof instead of internal slot check because we should fix it without replacement native Promise core
-    if(x instanceof P && sameConstructor(x.constructor, this))return x;
-    var capability = new PromiseCapability(this)
+    if(x instanceof $Promise && sameConstructor(x.constructor, this))return x;
+    var capability = newPromiseCapability(this)
       , $$resolve  = capability.resolve;
     $$resolve(x);
     return capability.promise;
   }
 });
-$export($export.S + $export.F * !(USE_NATIVE && require('./$.iter-detect')(function(iter){
-  P.all(iter)['catch'](function(){});
+$export($export.S + $export.F * !(USE_NATIVE && require('./_iter-detect')(function(iter){
+  $Promise.all(iter)['catch'](empty);
 })), PROMISE, {
   // 25.4.4.1 Promise.all(iterable)
   all: function all(iterable){
-    var C          = getConstructor(this)
-      , capability = new PromiseCapability(C)
+    var C          = this
+      , capability = newPromiseCapability(C)
       , resolve    = capability.resolve
-      , reject     = capability.reject
-      , values     = [];
+      , reject     = capability.reject;
     var abrupt = perform(function(){
-      forOf(iterable, false, values.push, values);
-      var remaining = values.length
-        , results   = Array(remaining);
-      if(remaining)$.each.call(values, function(promise, index){
-        var alreadyCalled = false;
+      var values    = []
+        , index     = 0
+        , remaining = 1;
+      forOf(iterable, false, function(promise){
+        var $index        = index++
+          , alreadyCalled = false;
+        values.push(undefined);
+        remaining++;
         C.resolve(promise).then(function(value){
           if(alreadyCalled)return;
-          alreadyCalled = true;
-          results[index] = value;
-          --remaining || resolve(results);
+          alreadyCalled  = true;
+          values[$index] = value;
+          --remaining || resolve(values);
         }, reject);
       });
-      else resolve(results);
+      --remaining || resolve(values);
     });
     if(abrupt)reject(abrupt.error);
     return capability.promise;
   },
   // 25.4.4.4 Promise.race(iterable)
   race: function race(iterable){
-    var C          = getConstructor(this)
-      , capability = new PromiseCapability(C)
+    var C          = this
+      , capability = newPromiseCapability(C)
       , reject     = capability.reject;
     var abrupt = perform(function(){
       forOf(iterable, false, function(promise){
diff --git a/node_modules/core-js/library/modules/es6.reflect.apply.js b/node_modules/core-js/library/modules/es6.reflect.apply.js
index 361a2e2e5..24ea80f51 100644
--- a/node_modules/core-js/library/modules/es6.reflect.apply.js
+++ b/node_modules/core-js/library/modules/es6.reflect.apply.js
@@ -1,10 +1,16 @@
 // 26.1.1 Reflect.apply(target, thisArgument, argumentsList)
-var $export  = require('./$.export')
-  , _apply   = Function.apply
-  , anObject = require('./$.an-object');
-
-$export($export.S, 'Reflect', {
+var $export   = require('./_export')
+  , aFunction = require('./_a-function')
+  , anObject  = require('./_an-object')
+  , rApply    = (require('./_global').Reflect || {}).apply
+  , fApply    = Function.apply;
+// MS Edge argumentsList argument is optional
+$export($export.S + $export.F * !require('./_fails')(function(){
+  rApply(function(){});
+}), 'Reflect', {
   apply: function apply(target, thisArgument, argumentsList){
-    return _apply.call(target, thisArgument, anObject(argumentsList));
+    var T = aFunction(target)
+      , L = anObject(argumentsList);
+    return rApply ? rApply(T, thisArgument, L) : fApply.call(T, thisArgument, L);
   }
 });
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.reflect.construct.js b/node_modules/core-js/library/modules/es6.reflect.construct.js
index c3928cd92..96483d708 100644
--- a/node_modules/core-js/library/modules/es6.reflect.construct.js
+++ b/node_modules/core-js/library/modules/es6.reflect.construct.js
@@ -1,21 +1,29 @@
 // 26.1.2 Reflect.construct(target, argumentsList [, newTarget])
-var $         = require('./$')
-  , $export   = require('./$.export')
-  , aFunction = require('./$.a-function')
-  , anObject  = require('./$.an-object')
-  , isObject  = require('./$.is-object')
-  , bind      = Function.bind || require('./$.core').Function.prototype.bind;
+var $export    = require('./_export')
+  , create     = require('./_object-create')
+  , aFunction  = require('./_a-function')
+  , anObject   = require('./_an-object')
+  , isObject   = require('./_is-object')
+  , fails      = require('./_fails')
+  , bind       = require('./_bind')
+  , rConstruct = (require('./_global').Reflect || {}).construct;
 
-// MS Edge supports only 2 arguments
+// MS Edge supports only 2 arguments and argumentsList argument is optional
 // FF Nightly sets third argument as `new.target`, but does not create `this` from it
-$export($export.S + $export.F * require('./$.fails')(function(){
+var NEW_TARGET_BUG = fails(function(){
   function F(){}
-  return !(Reflect.construct(function(){}, [], F) instanceof F);
-}), 'Reflect', {
+  return !(rConstruct(function(){}, [], F) instanceof F);
+});
+var ARGS_BUG = !fails(function(){
+  rConstruct(function(){});
+});
+
+$export($export.S + $export.F * (NEW_TARGET_BUG || ARGS_BUG), 'Reflect', {
   construct: function construct(Target, args /*, newTarget*/){
     aFunction(Target);
     anObject(args);
     var newTarget = arguments.length < 3 ? Target : aFunction(arguments[2]);
+    if(ARGS_BUG && !NEW_TARGET_BUG)return rConstruct(Target, args, newTarget);
     if(Target == newTarget){
       // w/o altered newTarget, optimization for 0-4 arguments
       switch(args.length){
@@ -32,7 +40,7 @@ $export($export.S + $export.F * require('./$.fails')(function(){
     }
     // with altered newTarget, not support built-in constructors
     var proto    = newTarget.prototype
-      , instance = $.create(isObject(proto) ? proto : Object.prototype)
+      , instance = create(isObject(proto) ? proto : Object.prototype)
       , result   = Function.apply.call(Target, instance, args);
     return isObject(result) ? result : instance;
   }
diff --git a/node_modules/core-js/library/modules/es6.reflect.define-property.js b/node_modules/core-js/library/modules/es6.reflect.define-property.js
index 5f7fc6a18..485d43c45 100644
--- a/node_modules/core-js/library/modules/es6.reflect.define-property.js
+++ b/node_modules/core-js/library/modules/es6.reflect.define-property.js
@@ -1,16 +1,19 @@
 // 26.1.3 Reflect.defineProperty(target, propertyKey, attributes)
-var $        = require('./$')
-  , $export  = require('./$.export')
-  , anObject = require('./$.an-object');
+var dP          = require('./_object-dp')
+  , $export     = require('./_export')
+  , anObject    = require('./_an-object')
+  , toPrimitive = require('./_to-primitive');
 
 // MS Edge has broken Reflect.defineProperty - throwing instead of returning false
-$export($export.S + $export.F * require('./$.fails')(function(){
-  Reflect.defineProperty($.setDesc({}, 1, {value: 1}), 1, {value: 2});
+$export($export.S + $export.F * require('./_fails')(function(){
+  Reflect.defineProperty(dP.f({}, 1, {value: 1}), 1, {value: 2});
 }), 'Reflect', {
   defineProperty: function defineProperty(target, propertyKey, attributes){
     anObject(target);
+    propertyKey = toPrimitive(propertyKey, true);
+    anObject(attributes);
     try {
-      $.setDesc(target, propertyKey, attributes);
+      dP.f(target, propertyKey, attributes);
       return true;
     } catch(e){
       return false;
diff --git a/node_modules/core-js/library/modules/es6.reflect.delete-property.js b/node_modules/core-js/library/modules/es6.reflect.delete-property.js
index 18526e5b1..4e8ce2078 100644
--- a/node_modules/core-js/library/modules/es6.reflect.delete-property.js
+++ b/node_modules/core-js/library/modules/es6.reflect.delete-property.js
@@ -1,11 +1,11 @@
 // 26.1.4 Reflect.deleteProperty(target, propertyKey)
-var $export  = require('./$.export')
-  , getDesc  = require('./$').getDesc
-  , anObject = require('./$.an-object');
+var $export  = require('./_export')
+  , gOPD     = require('./_object-gopd').f
+  , anObject = require('./_an-object');
 
 $export($export.S, 'Reflect', {
   deleteProperty: function deleteProperty(target, propertyKey){
-    var desc = getDesc(anObject(target), propertyKey);
+    var desc = gOPD(anObject(target), propertyKey);
     return desc && !desc.configurable ? false : delete target[propertyKey];
   }
 });
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.reflect.enumerate.js b/node_modules/core-js/library/modules/es6.reflect.enumerate.js
index 73452e2fa..abdb132d6 100644
--- a/node_modules/core-js/library/modules/es6.reflect.enumerate.js
+++ b/node_modules/core-js/library/modules/es6.reflect.enumerate.js
@@ -1,7 +1,7 @@
 'use strict';
 // 26.1.5 Reflect.enumerate(target)
-var $export  = require('./$.export')
-  , anObject = require('./$.an-object');
+var $export  = require('./_export')
+  , anObject = require('./_an-object');
 var Enumerate = function(iterated){
   this._t = anObject(iterated); // target
   this._i = 0;                  // next index
@@ -9,7 +9,7 @@ var Enumerate = function(iterated){
     , key;
   for(key in iterated)keys.push(key);
 };
-require('./$.iter-create')(Enumerate, 'Object', function(){
+require('./_iter-create')(Enumerate, 'Object', function(){
   var that = this
     , keys = that._k
     , key;
diff --git a/node_modules/core-js/library/modules/es6.reflect.get-own-property-descriptor.js b/node_modules/core-js/library/modules/es6.reflect.get-own-property-descriptor.js
index a3a2e0160..741a13eba 100644
--- a/node_modules/core-js/library/modules/es6.reflect.get-own-property-descriptor.js
+++ b/node_modules/core-js/library/modules/es6.reflect.get-own-property-descriptor.js
@@ -1,10 +1,10 @@
 // 26.1.7 Reflect.getOwnPropertyDescriptor(target, propertyKey)
-var $        = require('./$')
-  , $export  = require('./$.export')
-  , anObject = require('./$.an-object');
+var gOPD     = require('./_object-gopd')
+  , $export  = require('./_export')
+  , anObject = require('./_an-object');
 
 $export($export.S, 'Reflect', {
   getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, propertyKey){
-    return $.getDesc(anObject(target), propertyKey);
+    return gOPD.f(anObject(target), propertyKey);
   }
 });
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.reflect.get-prototype-of.js b/node_modules/core-js/library/modules/es6.reflect.get-prototype-of.js
index c06bfa459..4f912d104 100644
--- a/node_modules/core-js/library/modules/es6.reflect.get-prototype-of.js
+++ b/node_modules/core-js/library/modules/es6.reflect.get-prototype-of.js
@@ -1,7 +1,7 @@
 // 26.1.8 Reflect.getPrototypeOf(target)
-var $export  = require('./$.export')
-  , getProto = require('./$').getProto
-  , anObject = require('./$.an-object');
+var $export  = require('./_export')
+  , getProto = require('./_object-gpo')
+  , anObject = require('./_an-object');
 
 $export($export.S, 'Reflect', {
   getPrototypeOf: function getPrototypeOf(target){
diff --git a/node_modules/core-js/library/modules/es6.reflect.get.js b/node_modules/core-js/library/modules/es6.reflect.get.js
index cbb0caaf3..f8c39f500 100644
--- a/node_modules/core-js/library/modules/es6.reflect.get.js
+++ b/node_modules/core-js/library/modules/es6.reflect.get.js
@@ -1,20 +1,21 @@
 // 26.1.6 Reflect.get(target, propertyKey [, receiver])
-var $        = require('./$')
-  , has      = require('./$.has')
-  , $export  = require('./$.export')
-  , isObject = require('./$.is-object')
-  , anObject = require('./$.an-object');
+var gOPD           = require('./_object-gopd')
+  , getPrototypeOf = require('./_object-gpo')
+  , has            = require('./_has')
+  , $export        = require('./_export')
+  , isObject       = require('./_is-object')
+  , anObject       = require('./_an-object');
 
 function get(target, propertyKey/*, receiver*/){
   var receiver = arguments.length < 3 ? target : arguments[2]
     , desc, proto;
   if(anObject(target) === receiver)return target[propertyKey];
-  if(desc = $.getDesc(target, propertyKey))return has(desc, 'value')
+  if(desc = gOPD.f(target, propertyKey))return has(desc, 'value')
     ? desc.value
     : desc.get !== undefined
       ? desc.get.call(receiver)
       : undefined;
-  if(isObject(proto = $.getProto(target)))return get(proto, propertyKey, receiver);
+  if(isObject(proto = getPrototypeOf(target)))return get(proto, propertyKey, receiver);
 }
 
 $export($export.S, 'Reflect', {get: get});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.reflect.has.js b/node_modules/core-js/library/modules/es6.reflect.has.js
index 65c9e82ff..bbb6dbcde 100644
--- a/node_modules/core-js/library/modules/es6.reflect.has.js
+++ b/node_modules/core-js/library/modules/es6.reflect.has.js
@@ -1,5 +1,5 @@
 // 26.1.9 Reflect.has(target, propertyKey)
-var $export = require('./$.export');
+var $export = require('./_export');
 
 $export($export.S, 'Reflect', {
   has: function has(target, propertyKey){
diff --git a/node_modules/core-js/library/modules/es6.reflect.is-extensible.js b/node_modules/core-js/library/modules/es6.reflect.is-extensible.js
index b92c4f66b..ffbc2848e 100644
--- a/node_modules/core-js/library/modules/es6.reflect.is-extensible.js
+++ b/node_modules/core-js/library/modules/es6.reflect.is-extensible.js
@@ -1,6 +1,6 @@
 // 26.1.10 Reflect.isExtensible(target)
-var $export       = require('./$.export')
-  , anObject      = require('./$.an-object')
+var $export       = require('./_export')
+  , anObject      = require('./_an-object')
   , $isExtensible = Object.isExtensible;
 
 $export($export.S, 'Reflect', {
diff --git a/node_modules/core-js/library/modules/es6.reflect.own-keys.js b/node_modules/core-js/library/modules/es6.reflect.own-keys.js
index db79fdabc..a1e5330c2 100644
--- a/node_modules/core-js/library/modules/es6.reflect.own-keys.js
+++ b/node_modules/core-js/library/modules/es6.reflect.own-keys.js
@@ -1,4 +1,4 @@
 // 26.1.11 Reflect.ownKeys(target)
-var $export = require('./$.export');
+var $export = require('./_export');
 
-$export($export.S, 'Reflect', {ownKeys: require('./$.own-keys')});
\ No newline at end of file
+$export($export.S, 'Reflect', {ownKeys: require('./_own-keys')});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.reflect.prevent-extensions.js b/node_modules/core-js/library/modules/es6.reflect.prevent-extensions.js
index f5ccfc2a2..d3dad8ee4 100644
--- a/node_modules/core-js/library/modules/es6.reflect.prevent-extensions.js
+++ b/node_modules/core-js/library/modules/es6.reflect.prevent-extensions.js
@@ -1,6 +1,6 @@
 // 26.1.12 Reflect.preventExtensions(target)
-var $export            = require('./$.export')
-  , anObject           = require('./$.an-object')
+var $export            = require('./_export')
+  , anObject           = require('./_an-object')
   , $preventExtensions = Object.preventExtensions;
 
 $export($export.S, 'Reflect', {
diff --git a/node_modules/core-js/library/modules/es6.reflect.set-prototype-of.js b/node_modules/core-js/library/modules/es6.reflect.set-prototype-of.js
index e769436fc..b79d9b613 100644
--- a/node_modules/core-js/library/modules/es6.reflect.set-prototype-of.js
+++ b/node_modules/core-js/library/modules/es6.reflect.set-prototype-of.js
@@ -1,6 +1,6 @@
 // 26.1.14 Reflect.setPrototypeOf(target, proto)
-var $export  = require('./$.export')
-  , setProto = require('./$.set-proto');
+var $export  = require('./_export')
+  , setProto = require('./_set-proto');
 
 if(setProto)$export($export.S, 'Reflect', {
   setPrototypeOf: function setPrototypeOf(target, proto){
diff --git a/node_modules/core-js/library/modules/es6.reflect.set.js b/node_modules/core-js/library/modules/es6.reflect.set.js
index 0a938e784..c6b916a2e 100644
--- a/node_modules/core-js/library/modules/es6.reflect.set.js
+++ b/node_modules/core-js/library/modules/es6.reflect.set.js
@@ -1,26 +1,28 @@
 // 26.1.13 Reflect.set(target, propertyKey, V [, receiver])
-var $          = require('./$')
-  , has        = require('./$.has')
-  , $export    = require('./$.export')
-  , createDesc = require('./$.property-desc')
-  , anObject   = require('./$.an-object')
-  , isObject   = require('./$.is-object');
+var dP             = require('./_object-dp')
+  , gOPD           = require('./_object-gopd')
+  , getPrototypeOf = require('./_object-gpo')
+  , has            = require('./_has')
+  , $export        = require('./_export')
+  , createDesc     = require('./_property-desc')
+  , anObject       = require('./_an-object')
+  , isObject       = require('./_is-object');
 
 function set(target, propertyKey, V/*, receiver*/){
   var receiver = arguments.length < 4 ? target : arguments[3]
-    , ownDesc  = $.getDesc(anObject(target), propertyKey)
+    , ownDesc  = gOPD.f(anObject(target), propertyKey)
     , existingDescriptor, proto;
   if(!ownDesc){
-    if(isObject(proto = $.getProto(target))){
+    if(isObject(proto = getPrototypeOf(target))){
       return set(proto, propertyKey, V, receiver);
     }
     ownDesc = createDesc(0);
   }
   if(has(ownDesc, 'value')){
     if(ownDesc.writable === false || !isObject(receiver))return false;
-    existingDescriptor = $.getDesc(receiver, propertyKey) || createDesc(0);
+    existingDescriptor = gOPD.f(receiver, propertyKey) || createDesc(0);
     existingDescriptor.value = V;
-    $.setDesc(receiver, propertyKey, existingDescriptor);
+    dP.f(receiver, propertyKey, existingDescriptor);
     return true;
   }
   return ownDesc.set === undefined ? false : (ownDesc.set.call(receiver, V), true);
diff --git a/node_modules/core-js/library/modules/es6.regexp.constructor.js b/node_modules/core-js/library/modules/es6.regexp.constructor.js
index 087d9beb9..7313c52b3 100644
--- a/node_modules/core-js/library/modules/es6.regexp.constructor.js
+++ b/node_modules/core-js/library/modules/es6.regexp.constructor.js
@@ -1 +1 @@
-require('./$.set-species')('RegExp');
\ No newline at end of file
+require('./_set-species')('RegExp');
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.set.js b/node_modules/core-js/library/modules/es6.set.js
index 8e148c9e2..a18808818 100644
--- a/node_modules/core-js/library/modules/es6.set.js
+++ b/node_modules/core-js/library/modules/es6.set.js
@@ -1,8 +1,8 @@
 'use strict';
-var strong = require('./$.collection-strong');
+var strong = require('./_collection-strong');
 
 // 23.2 Set Objects
-require('./$.collection')('Set', function(get){
+module.exports = require('./_collection')('Set', function(get){
   return function Set(){ return get(this, arguments.length > 0 ? arguments[0] : undefined); };
 }, {
   // 23.2.3.1 Set.prototype.add(value)
diff --git a/node_modules/core-js/library/modules/es6.string.code-point-at.js b/node_modules/core-js/library/modules/es6.string.code-point-at.js
index ebac55180..cf544652a 100644
--- a/node_modules/core-js/library/modules/es6.string.code-point-at.js
+++ b/node_modules/core-js/library/modules/es6.string.code-point-at.js
@@ -1,6 +1,6 @@
 'use strict';
-var $export = require('./$.export')
-  , $at     = require('./$.string-at')(false);
+var $export = require('./_export')
+  , $at     = require('./_string-at')(false);
 $export($export.P, 'String', {
   // 21.1.3.3 String.prototype.codePointAt(pos)
   codePointAt: function codePointAt(pos){
diff --git a/node_modules/core-js/library/modules/es6.string.ends-with.js b/node_modules/core-js/library/modules/es6.string.ends-with.js
index a102da2d4..80baed9ad 100644
--- a/node_modules/core-js/library/modules/es6.string.ends-with.js
+++ b/node_modules/core-js/library/modules/es6.string.ends-with.js
@@ -1,16 +1,15 @@
 // 21.1.3.6 String.prototype.endsWith(searchString [, endPosition])
 'use strict';
-var $export   = require('./$.export')
-  , toLength  = require('./$.to-length')
-  , context   = require('./$.string-context')
+var $export   = require('./_export')
+  , toLength  = require('./_to-length')
+  , context   = require('./_string-context')
   , ENDS_WITH = 'endsWith'
   , $endsWith = ''[ENDS_WITH];
 
-$export($export.P + $export.F * require('./$.fails-is-regexp')(ENDS_WITH), 'String', {
+$export($export.P + $export.F * require('./_fails-is-regexp')(ENDS_WITH), 'String', {
   endsWith: function endsWith(searchString /*, endPosition = @length */){
     var that = context(this, searchString, ENDS_WITH)
-      , $$   = arguments
-      , endPosition = $$.length > 1 ? $$[1] : undefined
+      , endPosition = arguments.length > 1 ? arguments[1] : undefined
       , len    = toLength(that.length)
       , end    = endPosition === undefined ? len : Math.min(toLength(endPosition), len)
       , search = String(searchString);
diff --git a/node_modules/core-js/library/modules/es6.string.from-code-point.js b/node_modules/core-js/library/modules/es6.string.from-code-point.js
index b0bd166bf..c8776d871 100644
--- a/node_modules/core-js/library/modules/es6.string.from-code-point.js
+++ b/node_modules/core-js/library/modules/es6.string.from-code-point.js
@@ -1,5 +1,5 @@
-var $export        = require('./$.export')
-  , toIndex        = require('./$.to-index')
+var $export        = require('./_export')
+  , toIndex        = require('./_to-index')
   , fromCharCode   = String.fromCharCode
   , $fromCodePoint = String.fromCodePoint;
 
@@ -7,13 +7,12 @@ var $export        = require('./$.export')
 $export($export.S + $export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', {
   // 21.1.2.2 String.fromCodePoint(...codePoints)
   fromCodePoint: function fromCodePoint(x){ // eslint-disable-line no-unused-vars
-    var res   = []
-      , $$    = arguments
-      , $$len = $$.length
-      , i     = 0
+    var res  = []
+      , aLen = arguments.length
+      , i    = 0
       , code;
-    while($$len > i){
-      code = +$$[i++];
+    while(aLen > i){
+      code = +arguments[i++];
       if(toIndex(code, 0x10ffff) !== code)throw RangeError(code + ' is not a valid code point');
       res.push(code < 0x10000
         ? fromCharCode(code)
diff --git a/node_modules/core-js/library/modules/es6.string.includes.js b/node_modules/core-js/library/modules/es6.string.includes.js
index e2ab8db7e..c6b4ee2fa 100644
--- a/node_modules/core-js/library/modules/es6.string.includes.js
+++ b/node_modules/core-js/library/modules/es6.string.includes.js
@@ -1,10 +1,10 @@
 // 21.1.3.7 String.prototype.includes(searchString, position = 0)
 'use strict';
-var $export  = require('./$.export')
-  , context  = require('./$.string-context')
+var $export  = require('./_export')
+  , context  = require('./_string-context')
   , INCLUDES = 'includes';
 
-$export($export.P + $export.F * require('./$.fails-is-regexp')(INCLUDES), 'String', {
+$export($export.P + $export.F * require('./_fails-is-regexp')(INCLUDES), 'String', {
   includes: function includes(searchString /*, position = 0 */){
     return !!~context(this, searchString, INCLUDES)
       .indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined);
diff --git a/node_modules/core-js/library/modules/es6.string.iterator.js b/node_modules/core-js/library/modules/es6.string.iterator.js
index 2f4c772c3..ac391ee4e 100644
--- a/node_modules/core-js/library/modules/es6.string.iterator.js
+++ b/node_modules/core-js/library/modules/es6.string.iterator.js
@@ -1,8 +1,8 @@
 'use strict';
-var $at  = require('./$.string-at')(true);
+var $at  = require('./_string-at')(true);
 
 // 21.1.3.27 String.prototype[@@iterator]()
-require('./$.iter-define')(String, 'String', function(iterated){
+require('./_iter-define')(String, 'String', function(iterated){
   this._t = String(iterated); // target
   this._i = 0;                // next index
 // 21.1.5.2.1 %StringIteratorPrototype%.next()
diff --git a/node_modules/core-js/library/modules/es6.string.raw.js b/node_modules/core-js/library/modules/es6.string.raw.js
index 64279d23d..1016acfa2 100644
--- a/node_modules/core-js/library/modules/es6.string.raw.js
+++ b/node_modules/core-js/library/modules/es6.string.raw.js
@@ -1,19 +1,18 @@
-var $export   = require('./$.export')
-  , toIObject = require('./$.to-iobject')
-  , toLength  = require('./$.to-length');
+var $export   = require('./_export')
+  , toIObject = require('./_to-iobject')
+  , toLength  = require('./_to-length');
 
 $export($export.S, 'String', {
   // 21.1.2.4 String.raw(callSite, ...substitutions)
   raw: function raw(callSite){
-    var tpl   = toIObject(callSite.raw)
-      , len   = toLength(tpl.length)
-      , $$    = arguments
-      , $$len = $$.length
-      , res   = []
-      , i     = 0;
+    var tpl  = toIObject(callSite.raw)
+      , len  = toLength(tpl.length)
+      , aLen = arguments.length
+      , res  = []
+      , i    = 0;
     while(len > i){
       res.push(String(tpl[i++]));
-      if(i < $$len)res.push(String($$[i]));
+      if(i < aLen)res.push(String(arguments[i]));
     } return res.join('');
   }
 });
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.string.repeat.js b/node_modules/core-js/library/modules/es6.string.repeat.js
index 4ec29f66a..a054222d6 100644
--- a/node_modules/core-js/library/modules/es6.string.repeat.js
+++ b/node_modules/core-js/library/modules/es6.string.repeat.js
@@ -1,6 +1,6 @@
-var $export = require('./$.export');
+var $export = require('./_export');
 
 $export($export.P, 'String', {
   // 21.1.3.13 String.prototype.repeat(count)
-  repeat: require('./$.string-repeat')
+  repeat: require('./_string-repeat')
 });
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.string.starts-with.js b/node_modules/core-js/library/modules/es6.string.starts-with.js
index 21143072e..017805f01 100644
--- a/node_modules/core-js/library/modules/es6.string.starts-with.js
+++ b/node_modules/core-js/library/modules/es6.string.starts-with.js
@@ -1,16 +1,15 @@
 // 21.1.3.18 String.prototype.startsWith(searchString [, position ])
 'use strict';
-var $export     = require('./$.export')
-  , toLength    = require('./$.to-length')
-  , context     = require('./$.string-context')
+var $export     = require('./_export')
+  , toLength    = require('./_to-length')
+  , context     = require('./_string-context')
   , STARTS_WITH = 'startsWith'
   , $startsWith = ''[STARTS_WITH];
 
-$export($export.P + $export.F * require('./$.fails-is-regexp')(STARTS_WITH), 'String', {
+$export($export.P + $export.F * require('./_fails-is-regexp')(STARTS_WITH), 'String', {
   startsWith: function startsWith(searchString /*, position = 0 */){
     var that   = context(this, searchString, STARTS_WITH)
-      , $$     = arguments
-      , index  = toLength(Math.min($$.length > 1 ? $$[1] : undefined, that.length))
+      , index  = toLength(Math.min(arguments.length > 1 ? arguments[1] : undefined, that.length))
       , search = String(searchString);
     return $startsWith
       ? $startsWith.call(that, search, index)
diff --git a/node_modules/core-js/library/modules/es6.string.trim.js b/node_modules/core-js/library/modules/es6.string.trim.js
index 52b75cac6..35f0fb0b8 100644
--- a/node_modules/core-js/library/modules/es6.string.trim.js
+++ b/node_modules/core-js/library/modules/es6.string.trim.js
@@ -1,6 +1,6 @@
 'use strict';
 // 21.1.3.25 String.prototype.trim()
-require('./$.string-trim')('trim', function($trim){
+require('./_string-trim')('trim', function($trim){
   return function trim(){
     return $trim(this, 3);
   };
diff --git a/node_modules/core-js/library/modules/es6.symbol.js b/node_modules/core-js/library/modules/es6.symbol.js
index 42b7a3aaa..eae491c5a 100644
--- a/node_modules/core-js/library/modules/es6.symbol.js
+++ b/node_modules/core-js/library/modules/es6.symbol.js
@@ -1,77 +1,87 @@
 'use strict';
 // ECMAScript 6 symbols shim
-var $              = require('./$')
-  , global         = require('./$.global')
-  , has            = require('./$.has')
-  , DESCRIPTORS    = require('./$.descriptors')
-  , $export        = require('./$.export')
-  , redefine       = require('./$.redefine')
-  , $fails         = require('./$.fails')
-  , shared         = require('./$.shared')
-  , setToStringTag = require('./$.set-to-string-tag')
-  , uid            = require('./$.uid')
-  , wks            = require('./$.wks')
-  , keyOf          = require('./$.keyof')
-  , $names         = require('./$.get-names')
-  , enumKeys       = require('./$.enum-keys')
-  , isArray        = require('./$.is-array')
-  , anObject       = require('./$.an-object')
-  , toIObject      = require('./$.to-iobject')
-  , createDesc     = require('./$.property-desc')
-  , getDesc        = $.getDesc
-  , setDesc        = $.setDesc
-  , _create        = $.create
-  , getNames       = $names.get
+var global         = require('./_global')
+  , has            = require('./_has')
+  , DESCRIPTORS    = require('./_descriptors')
+  , $export        = require('./_export')
+  , redefine       = require('./_redefine')
+  , META           = require('./_meta').KEY
+  , $fails         = require('./_fails')
+  , shared         = require('./_shared')
+  , setToStringTag = require('./_set-to-string-tag')
+  , uid            = require('./_uid')
+  , wks            = require('./_wks')
+  , wksExt         = require('./_wks-ext')
+  , wksDefine      = require('./_wks-define')
+  , keyOf          = require('./_keyof')
+  , enumKeys       = require('./_enum-keys')
+  , isArray        = require('./_is-array')
+  , anObject       = require('./_an-object')
+  , toIObject      = require('./_to-iobject')
+  , toPrimitive    = require('./_to-primitive')
+  , createDesc     = require('./_property-desc')
+  , _create        = require('./_object-create')
+  , gOPNExt        = require('./_object-gopn-ext')
+  , $GOPD          = require('./_object-gopd')
+  , $DP            = require('./_object-dp')
+  , $keys          = require('./_object-keys')
+  , gOPD           = $GOPD.f
+  , dP             = $DP.f
+  , gOPN           = gOPNExt.f
   , $Symbol        = global.Symbol
   , $JSON          = global.JSON
   , _stringify     = $JSON && $JSON.stringify
-  , setter         = false
+  , PROTOTYPE      = 'prototype'
   , HIDDEN         = wks('_hidden')
-  , isEnum         = $.isEnum
+  , TO_PRIMITIVE   = wks('toPrimitive')
+  , isEnum         = {}.propertyIsEnumerable
   , SymbolRegistry = shared('symbol-registry')
   , AllSymbols     = shared('symbols')
-  , useNative      = typeof $Symbol == 'function'
-  , ObjectProto    = Object.prototype;
+  , OPSymbols      = shared('op-symbols')
+  , ObjectProto    = Object[PROTOTYPE]
+  , USE_NATIVE     = typeof $Symbol == 'function'
+  , QObject        = global.QObject;
+// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
+var setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;
 
 // fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
 var setSymbolDesc = DESCRIPTORS && $fails(function(){
-  return _create(setDesc({}, 'a', {
-    get: function(){ return setDesc(this, 'a', {value: 7}).a; }
+  return _create(dP({}, 'a', {
+    get: function(){ return dP(this, 'a', {value: 7}).a; }
   })).a != 7;
 }) ? function(it, key, D){
-  var protoDesc = getDesc(ObjectProto, key);
+  var protoDesc = gOPD(ObjectProto, key);
   if(protoDesc)delete ObjectProto[key];
-  setDesc(it, key, D);
-  if(protoDesc && it !== ObjectProto)setDesc(ObjectProto, key, protoDesc);
-} : setDesc;
+  dP(it, key, D);
+  if(protoDesc && it !== ObjectProto)dP(ObjectProto, key, protoDesc);
+} : dP;
 
 var wrap = function(tag){
-  var sym = AllSymbols[tag] = _create($Symbol.prototype);
+  var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);
   sym._k = tag;
-  DESCRIPTORS && setter && setSymbolDesc(ObjectProto, tag, {
-    configurable: true,
-    set: function(value){
-      if(has(this, HIDDEN) && has(this[HIDDEN], tag))this[HIDDEN][tag] = false;
-      setSymbolDesc(this, tag, createDesc(1, value));
-    }
-  });
   return sym;
 };
 
-var isSymbol = function(it){
+var isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function(it){
   return typeof it == 'symbol';
+} : function(it){
+  return it instanceof $Symbol;
 };
 
 var $defineProperty = function defineProperty(it, key, D){
-  if(D && has(AllSymbols, key)){
+  if(it === ObjectProto)$defineProperty(OPSymbols, key, D);
+  anObject(it);
+  key = toPrimitive(key, true);
+  anObject(D);
+  if(has(AllSymbols, key)){
     if(!D.enumerable){
-      if(!has(it, HIDDEN))setDesc(it, HIDDEN, createDesc(1, {}));
+      if(!has(it, HIDDEN))dP(it, HIDDEN, createDesc(1, {}));
       it[HIDDEN][key] = true;
     } else {
       if(has(it, HIDDEN) && it[HIDDEN][key])it[HIDDEN][key] = false;
       D = _create(D, {enumerable: createDesc(0, false)});
     } return setSymbolDesc(it, key, D);
-  } return setDesc(it, key, D);
+  } return dP(it, key, D);
 };
 var $defineProperties = function defineProperties(it, P){
   anObject(it);
@@ -86,83 +96,80 @@ var $create = function create(it, P){
   return P === undefined ? _create(it) : $defineProperties(_create(it), P);
 };
 var $propertyIsEnumerable = function propertyIsEnumerable(key){
-  var E = isEnum.call(this, key);
-  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key]
-    ? E : true;
+  var E = isEnum.call(this, key = toPrimitive(key, true));
+  if(this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return false;
+  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;
 };
 var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key){
-  var D = getDesc(it = toIObject(it), key);
+  it  = toIObject(it);
+  key = toPrimitive(key, true);
+  if(it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return;
+  var D = gOPD(it, key);
   if(D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key]))D.enumerable = true;
   return D;
 };
 var $getOwnPropertyNames = function getOwnPropertyNames(it){
-  var names  = getNames(toIObject(it))
+  var names  = gOPN(toIObject(it))
     , result = []
     , i      = 0
     , key;
-  while(names.length > i)if(!has(AllSymbols, key = names[i++]) && key != HIDDEN)result.push(key);
-  return result;
+  while(names.length > i){
+    if(!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META)result.push(key);
+  } return result;
 };
 var $getOwnPropertySymbols = function getOwnPropertySymbols(it){
-  var names  = getNames(toIObject(it))
+  var IS_OP  = it === ObjectProto
+    , names  = gOPN(IS_OP ? OPSymbols : toIObject(it))
     , result = []
     , i      = 0
     , key;
-  while(names.length > i)if(has(AllSymbols, key = names[i++]))result.push(AllSymbols[key]);
-  return result;
+  while(names.length > i){
+    if(has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true))result.push(AllSymbols[key]);
+  } return result;
 };
-var $stringify = function stringify(it){
-  if(it === undefined || isSymbol(it))return; // IE8 returns string on undefined
-  var args = [it]
-    , i    = 1
-    , $$   = arguments
-    , replacer, $replacer;
-  while($$.length > i)args.push($$[i++]);
-  replacer = args[1];
-  if(typeof replacer == 'function')$replacer = replacer;
-  if($replacer || !isArray(replacer))replacer = function(key, value){
-    if($replacer)value = $replacer.call(this, key, value);
-    if(!isSymbol(value))return value;
-  };
-  args[1] = replacer;
-  return _stringify.apply($JSON, args);
-};
-var buggyJSON = $fails(function(){
-  var S = $Symbol();
-  // MS Edge converts symbol values to JSON as {}
-  // WebKit converts symbol values to JSON as null
-  // V8 throws on boxed symbols
-  return _stringify([S]) != '[null]' || _stringify({a: S}) != '{}' || _stringify(Object(S)) != '{}';
-});
 
 // 19.4.1.1 Symbol([description])
-if(!useNative){
+if(!USE_NATIVE){
   $Symbol = function Symbol(){
-    if(isSymbol(this))throw TypeError('Symbol is not a constructor');
-    return wrap(uid(arguments.length > 0 ? arguments[0] : undefined));
+    if(this instanceof $Symbol)throw TypeError('Symbol is not a constructor!');
+    var tag = uid(arguments.length > 0 ? arguments[0] : undefined);
+    var $set = function(value){
+      if(this === ObjectProto)$set.call(OPSymbols, value);
+      if(has(this, HIDDEN) && has(this[HIDDEN], tag))this[HIDDEN][tag] = false;
+      setSymbolDesc(this, tag, createDesc(1, value));
+    };
+    if(DESCRIPTORS && setter)setSymbolDesc(ObjectProto, tag, {configurable: true, set: $set});
+    return wrap(tag);
   };
-  redefine($Symbol.prototype, 'toString', function toString(){
+  redefine($Symbol[PROTOTYPE], 'toString', function toString(){
     return this._k;
   });
 
-  isSymbol = function(it){
-    return it instanceof $Symbol;
-  };
-
-  $.create     = $create;
-  $.isEnum     = $propertyIsEnumerable;
-  $.getDesc    = $getOwnPropertyDescriptor;
-  $.setDesc    = $defineProperty;
-  $.setDescs   = $defineProperties;
-  $.getNames   = $names.get = $getOwnPropertyNames;
-  $.getSymbols = $getOwnPropertySymbols;
+  $GOPD.f = $getOwnPropertyDescriptor;
+  $DP.f   = $defineProperty;
+  require('./_object-gopn').f = gOPNExt.f = $getOwnPropertyNames;
+  require('./_object-pie').f  = $propertyIsEnumerable;
+  require('./_object-gops').f = $getOwnPropertySymbols;
 
-  if(DESCRIPTORS && !require('./$.library')){
+  if(DESCRIPTORS && !require('./_library')){
     redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);
   }
+
+  wksExt.f = function(name){
+    return wrap(wks(name));
+  }
 }
 
-var symbolStatics = {
+$export($export.G + $export.W + $export.F * !USE_NATIVE, {Symbol: $Symbol});
+
+for(var symbols = (
+  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14
+  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'
+).split(','), i = 0; symbols.length > i; )wks(symbols[i++]);
+
+for(var symbols = $keys(wks.store), i = 0; symbols.length > i; )wksDefine(symbols[i++]);
+
+$export($export.S + $export.F * !USE_NATIVE, 'Symbol', {
   // 19.4.2.1 Symbol.for(key)
   'for': function(key){
     return has(SymbolRegistry, key += '')
@@ -171,37 +178,14 @@ var symbolStatics = {
   },
   // 19.4.2.5 Symbol.keyFor(sym)
   keyFor: function keyFor(key){
-    return keyOf(SymbolRegistry, key);
+    if(isSymbol(key))return keyOf(SymbolRegistry, key);
+    throw TypeError(key + ' is not a symbol!');
   },
   useSetter: function(){ setter = true; },
   useSimple: function(){ setter = false; }
-};
-// 19.4.2.2 Symbol.hasInstance
-// 19.4.2.3 Symbol.isConcatSpreadable
-// 19.4.2.4 Symbol.iterator
-// 19.4.2.6 Symbol.match
-// 19.4.2.8 Symbol.replace
-// 19.4.2.9 Symbol.search
-// 19.4.2.10 Symbol.species
-// 19.4.2.11 Symbol.split
-// 19.4.2.12 Symbol.toPrimitive
-// 19.4.2.13 Symbol.toStringTag
-// 19.4.2.14 Symbol.unscopables
-$.each.call((
-  'hasInstance,isConcatSpreadable,iterator,match,replace,search,' +
-  'species,split,toPrimitive,toStringTag,unscopables'
-).split(','), function(it){
-  var sym = wks(it);
-  symbolStatics[it] = useNative ? sym : wrap(sym);
 });
 
-setter = true;
-
-$export($export.G + $export.W, {Symbol: $Symbol});
-
-$export($export.S, 'Symbol', symbolStatics);
-
-$export($export.S + $export.F * !useNative, 'Object', {
+$export($export.S + $export.F * !USE_NATIVE, 'Object', {
   // 19.1.2.2 Object.create(O [, Properties])
   create: $create,
   // 19.1.2.4 Object.defineProperty(O, P, Attributes)
@@ -217,8 +201,32 @@ $export($export.S + $export.F * !useNative, 'Object', {
 });
 
 // 24.3.2 JSON.stringify(value [, replacer [, space]])
-$JSON && $export($export.S + $export.F * (!useNative || buggyJSON), 'JSON', {stringify: $stringify});
+$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function(){
+  var S = $Symbol();
+  // MS Edge converts symbol values to JSON as {}
+  // WebKit converts symbol values to JSON as null
+  // V8 throws on boxed symbols
+  return _stringify([S]) != '[null]' || _stringify({a: S}) != '{}' || _stringify(Object(S)) != '{}';
+})), 'JSON', {
+  stringify: function stringify(it){
+    if(it === undefined || isSymbol(it))return; // IE8 returns string on undefined
+    var args = [it]
+      , i    = 1
+      , replacer, $replacer;
+    while(arguments.length > i)args.push(arguments[i++]);
+    replacer = args[1];
+    if(typeof replacer == 'function')$replacer = replacer;
+    if($replacer || !isArray(replacer))replacer = function(key, value){
+      if($replacer)value = $replacer.call(this, key, value);
+      if(!isSymbol(value))return value;
+    };
+    args[1] = replacer;
+    return _stringify.apply($JSON, args);
+  }
+});
 
+// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)
+$Symbol[PROTOTYPE][TO_PRIMITIVE] || require('./_hide')($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);
 // 19.4.3.5 Symbol.prototype[@@toStringTag]
 setToStringTag($Symbol, 'Symbol');
 // 20.2.1.9 Math[@@toStringTag]
diff --git a/node_modules/core-js/library/modules/es6.typed.array-buffer.js b/node_modules/core-js/library/modules/es6.typed.array-buffer.js
index a8209bd2d..9f47082c2 100644
--- a/node_modules/core-js/library/modules/es6.typed.array-buffer.js
+++ b/node_modules/core-js/library/modules/es6.typed.array-buffer.js
@@ -1,43 +1,46 @@
 'use strict';
-if(require('./$.descriptors')){
-  var $export      = require('./$.export')
-    , $typed       = require('./$.typed')
-    , buffer       = require('./$.buffer')
-    , toIndex      = require('./$.to-index')
-    , toLength     = require('./$.to-length')
-    , isObject     = require('./$.is-object')
-    , TYPED_ARRAY  = require('./$.wks')('typed_array')
-    , $ArrayBuffer = buffer.ArrayBuffer
-    , $DataView    = buffer.DataView
-    , $slice       = $ArrayBuffer && $ArrayBuffer.prototype.slice
-    , VIEW         = $typed.VIEW
-    , ARRAY_BUFFER = 'ArrayBuffer';
+var $export      = require('./_export')
+  , $typed       = require('./_typed')
+  , buffer       = require('./_typed-buffer')
+  , anObject     = require('./_an-object')
+  , toIndex      = require('./_to-index')
+  , toLength     = require('./_to-length')
+  , isObject     = require('./_is-object')
+  , ArrayBuffer  = require('./_global').ArrayBuffer
+  , speciesConstructor = require('./_species-constructor')
+  , $ArrayBuffer = buffer.ArrayBuffer
+  , $DataView    = buffer.DataView
+  , $isView      = $typed.ABV && ArrayBuffer.isView
+  , $slice       = $ArrayBuffer.prototype.slice
+  , VIEW         = $typed.VIEW
+  , ARRAY_BUFFER = 'ArrayBuffer';
 
-  $export($export.G + $export.W + $export.F * !$typed.ABV, {ArrayBuffer: $ArrayBuffer});
+$export($export.G + $export.W + $export.F * (ArrayBuffer !== $ArrayBuffer), {ArrayBuffer: $ArrayBuffer});
 
-  $export($export.S + $export.F * !$typed.CONSTR, ARRAY_BUFFER, {
-    // 24.1.3.1 ArrayBuffer.isView(arg)
-    isView: function isView(it){ // not cross-realm
-      return isObject(it) && VIEW in it;
-    }
-  });
+$export($export.S + $export.F * !$typed.CONSTR, ARRAY_BUFFER, {
+  // 24.1.3.1 ArrayBuffer.isView(arg)
+  isView: function isView(it){
+    return $isView && $isView(it) || isObject(it) && VIEW in it;
+  }
+});
 
-  $export($export.P + $export.F * require('./$.fails')(function(){
-    return !new $ArrayBuffer(2).slice(1, undefined).byteLength;
-  }), ARRAY_BUFFER, {
-    // 24.1.4.3 ArrayBuffer.prototype.slice(start, end)
-    slice: function slice(start, end){
-      if($slice !== undefined && end === undefined)return $slice.call(this, start); // FF fix
-      var len    = this.byteLength
-        , first  = toIndex(start, len)
-        , final  = toIndex(end === undefined ? len : end, len)
-        , result = new $ArrayBuffer(toLength(final - first))
-        , viewS  = new $DataView(this)
-        , viewT  = new $DataView(result)
-        , index  = 0;
-      while(first < final){
-        viewT.setUint8(index++, viewS.getUint8(first++));
-      } return result;
-    }
-  });
-}
\ No newline at end of file
+$export($export.P + $export.U + $export.F * require('./_fails')(function(){
+  return !new $ArrayBuffer(2).slice(1, undefined).byteLength;
+}), ARRAY_BUFFER, {
+  // 24.1.4.3 ArrayBuffer.prototype.slice(start, end)
+  slice: function slice(start, end){
+    if($slice !== undefined && end === undefined)return $slice.call(anObject(this), start); // FF fix
+    var len    = anObject(this).byteLength
+      , first  = toIndex(start, len)
+      , final  = toIndex(end === undefined ? len : end, len)
+      , result = new (speciesConstructor(this, $ArrayBuffer))(toLength(final - first))
+      , viewS  = new $DataView(this)
+      , viewT  = new $DataView(result)
+      , index  = 0;
+    while(first < final){
+      viewT.setUint8(index++, viewS.getUint8(first++));
+    } return result;
+  }
+});
+
+require('./_set-species')(ARRAY_BUFFER);
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.typed.data-view.js b/node_modules/core-js/library/modules/es6.typed.data-view.js
index 44e035320..ee7b88127 100644
--- a/node_modules/core-js/library/modules/es6.typed.data-view.js
+++ b/node_modules/core-js/library/modules/es6.typed.data-view.js
@@ -1,4 +1,4 @@
-if(require('./$.descriptors')){
-  var $export = require('./$.export');
-  $export($export.G + $export.W + $export.F * !require('./$.typed').ABV, {DataView: require('./$.buffer').DataView});
-}
\ No newline at end of file
+var $export = require('./_export');
+$export($export.G + $export.W + $export.F * !require('./_typed').ABV, {
+  DataView: require('./_typed-buffer').DataView
+});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es6.typed.float32-array.js b/node_modules/core-js/library/modules/es6.typed.float32-array.js
index 95d78a6d4..2c4c9a699 100644
--- a/node_modules/core-js/library/modules/es6.typed.float32-array.js
+++ b/node_modules/core-js/library/modules/es6.typed.float32-array.js
@@ -1,4 +1,4 @@
-require('./$.typed-array')('Float32', 4, function(init){
+require('./_typed-array')('Float32', 4, function(init){
   return function Float32Array(data, byteOffset, length){
     return init(this, data, byteOffset, length);
   };
diff --git a/node_modules/core-js/library/modules/es6.typed.float64-array.js b/node_modules/core-js/library/modules/es6.typed.float64-array.js
index 16fadec9a..4b20257f7 100644
--- a/node_modules/core-js/library/modules/es6.typed.float64-array.js
+++ b/node_modules/core-js/library/modules/es6.typed.float64-array.js
@@ -1,4 +1,4 @@
-require('./$.typed-array')('Float64', 8, function(init){
+require('./_typed-array')('Float64', 8, function(init){
   return function Float64Array(data, byteOffset, length){
     return init(this, data, byteOffset, length);
   };
diff --git a/node_modules/core-js/library/modules/es6.typed.int16-array.js b/node_modules/core-js/library/modules/es6.typed.int16-array.js
index a3d04cb63..d3f61c564 100644
--- a/node_modules/core-js/library/modules/es6.typed.int16-array.js
+++ b/node_modules/core-js/library/modules/es6.typed.int16-array.js
@@ -1,4 +1,4 @@
-require('./$.typed-array')('Int16', 2, function(init){
+require('./_typed-array')('Int16', 2, function(init){
   return function Int16Array(data, byteOffset, length){
     return init(this, data, byteOffset, length);
   };
diff --git a/node_modules/core-js/library/modules/es6.typed.int32-array.js b/node_modules/core-js/library/modules/es6.typed.int32-array.js
index 1923463ac..df47c1bb0 100644
--- a/node_modules/core-js/library/modules/es6.typed.int32-array.js
+++ b/node_modules/core-js/library/modules/es6.typed.int32-array.js
@@ -1,4 +1,4 @@
-require('./$.typed-array')('Int32', 4, function(init){
+require('./_typed-array')('Int32', 4, function(init){
   return function Int32Array(data, byteOffset, length){
     return init(this, data, byteOffset, length);
   };
diff --git a/node_modules/core-js/library/modules/es6.typed.int8-array.js b/node_modules/core-js/library/modules/es6.typed.int8-array.js
index e9182c4cc..da4dbf0a2 100644
--- a/node_modules/core-js/library/modules/es6.typed.int8-array.js
+++ b/node_modules/core-js/library/modules/es6.typed.int8-array.js
@@ -1,4 +1,4 @@
-require('./$.typed-array')('Int8', 1, function(init){
+require('./_typed-array')('Int8', 1, function(init){
   return function Int8Array(data, byteOffset, length){
     return init(this, data, byteOffset, length);
   };
diff --git a/node_modules/core-js/library/modules/es6.typed.uint16-array.js b/node_modules/core-js/library/modules/es6.typed.uint16-array.js
index ec6e83477..cb335773d 100644
--- a/node_modules/core-js/library/modules/es6.typed.uint16-array.js
+++ b/node_modules/core-js/library/modules/es6.typed.uint16-array.js
@@ -1,4 +1,4 @@
-require('./$.typed-array')('Uint16', 2, function(init){
+require('./_typed-array')('Uint16', 2, function(init){
   return function Uint16Array(data, byteOffset, length){
     return init(this, data, byteOffset, length);
   };
diff --git a/node_modules/core-js/library/modules/es6.typed.uint32-array.js b/node_modules/core-js/library/modules/es6.typed.uint32-array.js
index ddfc22d88..41c9e7b80 100644
--- a/node_modules/core-js/library/modules/es6.typed.uint32-array.js
+++ b/node_modules/core-js/library/modules/es6.typed.uint32-array.js
@@ -1,4 +1,4 @@
-require('./$.typed-array')('Uint32', 4, function(init){
+require('./_typed-array')('Uint32', 4, function(init){
   return function Uint32Array(data, byteOffset, length){
     return init(this, data, byteOffset, length);
   };
diff --git a/node_modules/core-js/library/modules/es6.typed.uint8-array.js b/node_modules/core-js/library/modules/es6.typed.uint8-array.js
index 7ab1e4df7..f794f86cf 100644
--- a/node_modules/core-js/library/modules/es6.typed.uint8-array.js
+++ b/node_modules/core-js/library/modules/es6.typed.uint8-array.js
@@ -1,4 +1,4 @@
-require('./$.typed-array')('Uint8', 1, function(init){
+require('./_typed-array')('Uint8', 1, function(init){
   return function Uint8Array(data, byteOffset, length){
     return init(this, data, byteOffset, length);
   };
diff --git a/node_modules/core-js/library/modules/es6.typed.uint8-clamped-array.js b/node_modules/core-js/library/modules/es6.typed.uint8-clamped-array.js
index f85f9d5d7..b12304799 100644
--- a/node_modules/core-js/library/modules/es6.typed.uint8-clamped-array.js
+++ b/node_modules/core-js/library/modules/es6.typed.uint8-clamped-array.js
@@ -1,4 +1,4 @@
-require('./$.typed-array')('Uint8', 1, function(init){
+require('./_typed-array')('Uint8', 1, function(init){
   return function Uint8ClampedArray(data, byteOffset, length){
     return init(this, data, byteOffset, length);
   };
diff --git a/node_modules/core-js/library/modules/es6.weak-map.js b/node_modules/core-js/library/modules/es6.weak-map.js
index 72a9b3244..4109db336 100644
--- a/node_modules/core-js/library/modules/es6.weak-map.js
+++ b/node_modules/core-js/library/modules/es6.weak-map.js
@@ -1,40 +1,53 @@
 'use strict';
-var $            = require('./$')
-  , redefine     = require('./$.redefine')
-  , weak         = require('./$.collection-weak')
-  , isObject     = require('./$.is-object')
-  , has          = require('./$.has')
-  , frozenStore  = weak.frozenStore
-  , WEAK         = weak.WEAK
-  , isExtensible = Object.isExtensible || isObject
-  , tmp          = {};
+var each         = require('./_array-methods')(0)
+  , redefine     = require('./_redefine')
+  , meta         = require('./_meta')
+  , assign       = require('./_object-assign')
+  , weak         = require('./_collection-weak')
+  , isObject     = require('./_is-object')
+  , getWeak      = meta.getWeak
+  , isExtensible = Object.isExtensible
+  , uncaughtFrozenStore = weak.ufstore
+  , tmp          = {}
+  , InternalMap;
 
-// 23.3 WeakMap Objects
-var $WeakMap = require('./$.collection')('WeakMap', function(get){
-  return function WeakMap(){ return get(this, arguments.length > 0 ? arguments[0] : undefined); };
-}, {
+var wrapper = function(get){
+  return function WeakMap(){
+    return get(this, arguments.length > 0 ? arguments[0] : undefined);
+  };
+};
+
+var methods = {
   // 23.3.3.3 WeakMap.prototype.get(key)
   get: function get(key){
     if(isObject(key)){
-      if(!isExtensible(key))return frozenStore(this).get(key);
-      if(has(key, WEAK))return key[WEAK][this._i];
+      var data = getWeak(key);
+      if(data === true)return uncaughtFrozenStore(this).get(key);
+      return data ? data[this._i] : undefined;
     }
   },
   // 23.3.3.5 WeakMap.prototype.set(key, value)
   set: function set(key, value){
     return weak.def(this, key, value);
   }
-}, weak, true, true);
+};
+
+// 23.3 WeakMap Objects
+var $WeakMap = module.exports = require('./_collection')('WeakMap', wrapper, methods, weak, true, true);
 
 // IE11 WeakMap frozen keys fix
 if(new $WeakMap().set((Object.freeze || Object)(tmp), 7).get(tmp) != 7){
-  $.each.call(['delete', 'has', 'get', 'set'], function(key){
+  InternalMap = weak.getConstructor(wrapper);
+  assign(InternalMap.prototype, methods);
+  meta.NEED = true;
+  each(['delete', 'has', 'get', 'set'], function(key){
     var proto  = $WeakMap.prototype
       , method = proto[key];
     redefine(proto, key, function(a, b){
-      // store frozen objects on leaky map
+      // store frozen objects on internal weakmap shim
       if(isObject(a) && !isExtensible(a)){
-        var result = frozenStore(this)[key](a, b);
+        if(!this._f)this._f = new InternalMap;
+        var result = this._f[key](a, b);
         return key == 'set' ? this : result;
       // store all the rest on native weakmap
       } return method.call(this, a, b);
diff --git a/node_modules/core-js/library/modules/es6.weak-set.js b/node_modules/core-js/library/modules/es6.weak-set.js
index efdf1d76f..77d01b6ba 100644
--- a/node_modules/core-js/library/modules/es6.weak-set.js
+++ b/node_modules/core-js/library/modules/es6.weak-set.js
@@ -1,8 +1,8 @@
 'use strict';
-var weak = require('./$.collection-weak');
+var weak = require('./_collection-weak');
 
 // 23.4 WeakSet Objects
-require('./$.collection')('WeakSet', function(get){
+require('./_collection')('WeakSet', function(get){
   return function WeakSet(){ return get(this, arguments.length > 0 ? arguments[0] : undefined); };
 }, {
   // 23.4.3.1 WeakSet.prototype.add(value)
diff --git a/node_modules/core-js/library/modules/es7.array.includes.js b/node_modules/core-js/library/modules/es7.array.includes.js
index dcfad704d..6d5b00905 100644
--- a/node_modules/core-js/library/modules/es7.array.includes.js
+++ b/node_modules/core-js/library/modules/es7.array.includes.js
@@ -1,12 +1,12 @@
 'use strict';
-var $export   = require('./$.export')
-  , $includes = require('./$.array-includes')(true);
+// https://github.com/tc39/Array.prototype.includes
+var $export   = require('./_export')
+  , $includes = require('./_array-includes')(true);
 
 $export($export.P, 'Array', {
-  // https://github.com/domenic/Array.prototype.includes
   includes: function includes(el /*, fromIndex = 0 */){
     return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
   }
 });
 
-require('./$.add-to-unscopables')('includes');
\ No newline at end of file
+require('./_add-to-unscopables')('includes');
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es7.map.to-json.js b/node_modules/core-js/library/modules/es7.map.to-json.js
index 809370564..19f9b6d38 100644
--- a/node_modules/core-js/library/modules/es7.map.to-json.js
+++ b/node_modules/core-js/library/modules/es7.map.to-json.js
@@ -1,4 +1,4 @@
 // https://github.com/DavidBruant/Map-Set.prototype.toJSON
-var $export  = require('./$.export');
+var $export  = require('./_export');
 
-$export($export.P, 'Map', {toJSON: require('./$.collection-to-json')('Map')});
\ No newline at end of file
+$export($export.P + $export.R, 'Map', {toJSON: require('./_collection-to-json')('Map')});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es7.object.entries.js b/node_modules/core-js/library/modules/es7.object.entries.js
index fec1bc36c..cfc049dfa 100644
--- a/node_modules/core-js/library/modules/es7.object.entries.js
+++ b/node_modules/core-js/library/modules/es7.object.entries.js
@@ -1,6 +1,6 @@
-// http://goo.gl/XkBrjD
-var $export  = require('./$.export')
-  , $entries = require('./$.object-to-array')(true);
+// https://github.com/tc39/proposal-object-values-entries
+var $export  = require('./_export')
+  , $entries = require('./_object-to-array')(true);
 
 $export($export.S, 'Object', {
   entries: function entries(it){
diff --git a/node_modules/core-js/library/modules/es7.object.get-own-property-descriptors.js b/node_modules/core-js/library/modules/es7.object.get-own-property-descriptors.js
index e4d80a34e..0242b7a0c 100644
--- a/node_modules/core-js/library/modules/es7.object.get-own-property-descriptors.js
+++ b/node_modules/core-js/library/modules/es7.object.get-own-property-descriptors.js
@@ -1,23 +1,19 @@
-// https://gist.github.com/WebReflection/9353781
-var $          = require('./$')
-  , $export    = require('./$.export')
-  , ownKeys    = require('./$.own-keys')
-  , toIObject  = require('./$.to-iobject')
-  , createDesc = require('./$.property-desc');
+// https://github.com/tc39/proposal-object-getownpropertydescriptors
+var $export        = require('./_export')
+  , ownKeys        = require('./_own-keys')
+  , toIObject      = require('./_to-iobject')
+  , gOPD           = require('./_object-gopd')
+  , createProperty = require('./_create-property');
 
 $export($export.S, 'Object', {
   getOwnPropertyDescriptors: function getOwnPropertyDescriptors(object){
     var O       = toIObject(object)
-      , setDesc = $.setDesc
-      , getDesc = $.getDesc
+      , getDesc = gOPD.f
       , keys    = ownKeys(O)
       , result  = {}
       , i       = 0
-      , key, D;
-    while(keys.length > i){
-      D = getDesc(O, key = keys[i++]);
-      if(key in result)setDesc(result, key, createDesc(0, D));
-      else result[key] = D;
-    } return result;
+      , key;
+    while(keys.length > i)createProperty(result, key = keys[i++], getDesc(O, key));
+    return result;
   }
 });
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es7.object.values.js b/node_modules/core-js/library/modules/es7.object.values.js
index 697e93545..42abd640b 100644
--- a/node_modules/core-js/library/modules/es7.object.values.js
+++ b/node_modules/core-js/library/modules/es7.object.values.js
@@ -1,6 +1,6 @@
-// http://goo.gl/XkBrjD
-var $export = require('./$.export')
-  , $values = require('./$.object-to-array')(false);
+// https://github.com/tc39/proposal-object-values-entries
+var $export = require('./_export')
+  , $values = require('./_object-to-array')(false);
 
 $export($export.S, 'Object', {
   values: function values(it){
diff --git a/node_modules/core-js/library/modules/es7.regexp.escape.js b/node_modules/core-js/library/modules/es7.regexp.escape.js
deleted file mode 100644
index 9c4c542a1..000000000
--- a/node_modules/core-js/library/modules/es7.regexp.escape.js
+++ /dev/null
@@ -1,5 +0,0 @@
-// https://github.com/benjamingr/RexExp.escape
-var $export = require('./$.export')
-  , $re     = require('./$.replacer')(/[\\^$*+?.()|[\]{}]/g, '\\$&');
-
-$export($export.S, 'RegExp', {escape: function escape(it){ return $re(it); }});
diff --git a/node_modules/core-js/library/modules/es7.set.to-json.js b/node_modules/core-js/library/modules/es7.set.to-json.js
index e632f2a37..fd68cb510 100644
--- a/node_modules/core-js/library/modules/es7.set.to-json.js
+++ b/node_modules/core-js/library/modules/es7.set.to-json.js
@@ -1,4 +1,4 @@
 // https://github.com/DavidBruant/Map-Set.prototype.toJSON
-var $export  = require('./$.export');
+var $export  = require('./_export');
 
-$export($export.P, 'Set', {toJSON: require('./$.collection-to-json')('Set')});
\ No newline at end of file
+$export($export.P + $export.R, 'Set', {toJSON: require('./_collection-to-json')('Set')});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es7.string.at.js b/node_modules/core-js/library/modules/es7.string.at.js
index fee583bf6..208654e6c 100644
--- a/node_modules/core-js/library/modules/es7.string.at.js
+++ b/node_modules/core-js/library/modules/es7.string.at.js
@@ -1,7 +1,7 @@
 'use strict';
 // https://github.com/mathiasbynens/String.prototype.at
-var $export = require('./$.export')
-  , $at     = require('./$.string-at')(true);
+var $export = require('./_export')
+  , $at     = require('./_string-at')(true);
 
 $export($export.P, 'String', {
   at: function at(pos){
diff --git a/node_modules/core-js/library/modules/es7.string.pad-left.js b/node_modules/core-js/library/modules/es7.string.pad-left.js
deleted file mode 100644
index 643621aad..000000000
--- a/node_modules/core-js/library/modules/es7.string.pad-left.js
+++ /dev/null
@@ -1,9 +0,0 @@
-'use strict';
-var $export = require('./$.export')
-  , $pad    = require('./$.string-pad');
-
-$export($export.P, 'String', {
-  padLeft: function padLeft(maxLength /*, fillString = ' ' */){
-    return $pad(this, maxLength, arguments.length > 1 ? arguments[1] : undefined, true);
-  }
-});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es7.string.pad-right.js b/node_modules/core-js/library/modules/es7.string.pad-right.js
deleted file mode 100644
index e42309602..000000000
--- a/node_modules/core-js/library/modules/es7.string.pad-right.js
+++ /dev/null
@@ -1,9 +0,0 @@
-'use strict';
-var $export = require('./$.export')
-  , $pad    = require('./$.string-pad');
-
-$export($export.P, 'String', {
-  padRight: function padRight(maxLength /*, fillString = ' ' */){
-    return $pad(this, maxLength, arguments.length > 1 ? arguments[1] : undefined, false);
-  }
-});
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es7.string.trim-left.js b/node_modules/core-js/library/modules/es7.string.trim-left.js
index dbaf63080..e58457714 100644
--- a/node_modules/core-js/library/modules/es7.string.trim-left.js
+++ b/node_modules/core-js/library/modules/es7.string.trim-left.js
@@ -1,7 +1,7 @@
 'use strict';
 // https://github.com/sebmarkbage/ecmascript-string-left-right-trim
-require('./$.string-trim')('trimLeft', function($trim){
+require('./_string-trim')('trimLeft', function($trim){
   return function trimLeft(){
     return $trim(this, 1);
   };
-});
\ No newline at end of file
+}, 'trimStart');
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/es7.string.trim-right.js b/node_modules/core-js/library/modules/es7.string.trim-right.js
index 6b02d394a..42a9ed33b 100644
--- a/node_modules/core-js/library/modules/es7.string.trim-right.js
+++ b/node_modules/core-js/library/modules/es7.string.trim-right.js
@@ -1,7 +1,7 @@
 'use strict';
 // https://github.com/sebmarkbage/ecmascript-string-left-right-trim
-require('./$.string-trim')('trimRight', function($trim){
+require('./_string-trim')('trimRight', function($trim){
   return function trimRight(){
     return $trim(this, 2);
   };
-});
\ No newline at end of file
+}, 'trimEnd');
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/js.array.statics.js b/node_modules/core-js/library/modules/js.array.statics.js
deleted file mode 100644
index 9536c2e48..000000000
--- a/node_modules/core-js/library/modules/js.array.statics.js
+++ /dev/null
@@ -1,17 +0,0 @@
-// JavaScript 1.6 / Strawman array statics shim
-var $       = require('./$')
-  , $export = require('./$.export')
-  , $ctx    = require('./$.ctx')
-  , $Array  = require('./$.core').Array || Array
-  , statics = {};
-var setStatics = function(keys, length){
-  $.each.call(keys.split(','), function(key){
-    if(length == undefined && key in $Array)statics[key] = $Array[key];
-    else if(key in [])statics[key] = $ctx(Function.call, [][key], length);
-  });
-};
-setStatics('pop,reverse,shift,keys,values,entries', 1);
-setStatics('indexOf,every,some,forEach,map,filter,find,findIndex,includes', 3);
-setStatics('join,slice,concat,push,splice,unshift,sort,lastIndexOf,' +
-           'reduce,reduceRight,copyWithin,fill');
-$export($export.S, 'Array', statics);
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/web.dom.iterable.js b/node_modules/core-js/library/modules/web.dom.iterable.js
index 988c6da20..e56371a9d 100644
--- a/node_modules/core-js/library/modules/web.dom.iterable.js
+++ b/node_modules/core-js/library/modules/web.dom.iterable.js
@@ -1,3 +1,13 @@
 require('./es6.array.iterator');
-var Iterators = require('./$.iterators');
-Iterators.NodeList = Iterators.HTMLCollection = Iterators.Array;
\ No newline at end of file
+var global        = require('./_global')
+  , hide          = require('./_hide')
+  , Iterators     = require('./_iterators')
+  , TO_STRING_TAG = require('./_wks')('toStringTag');
+
+for(var collections = ['NodeList', 'DOMTokenList', 'MediaList', 'StyleSheetList', 'CSSRuleList'], i = 0; i < 5; i++){
+  var NAME       = collections[i]
+    , Collection = global[NAME]
+    , proto      = Collection && Collection.prototype;
+  if(proto && !proto[TO_STRING_TAG])hide(proto, TO_STRING_TAG, NAME);
+  Iterators[NAME] = Iterators.Array;
+}
\ No newline at end of file
diff --git a/node_modules/core-js/library/modules/web.immediate.js b/node_modules/core-js/library/modules/web.immediate.js
index fa64f08ec..5b9463775 100644
--- a/node_modules/core-js/library/modules/web.immediate.js
+++ b/node_modules/core-js/library/modules/web.immediate.js
@@ -1,5 +1,5 @@
-var $export = require('./$.export')
-  , $task   = require('./$.task');
+var $export = require('./_export')
+  , $task   = require('./_task');
 $export($export.G + $export.B, {
   setImmediate:   $task.set,
   clearImmediate: $task.clear
diff --git a/node_modules/core-js/library/modules/web.timers.js b/node_modules/core-js/library/modules/web.timers.js
index 74b72019c..1a1da57f2 100644
--- a/node_modules/core-js/library/modules/web.timers.js
+++ b/node_modules/core-js/library/modules/web.timers.js
@@ -1,8 +1,8 @@
 // ie9- setTimeout & setInterval additional parameters fix
-var global     = require('./$.global')
-  , $export    = require('./$.export')
-  , invoke     = require('./$.invoke')
-  , partial    = require('./$.partial')
+var global     = require('./_global')
+  , $export    = require('./_export')
+  , invoke     = require('./_invoke')
+  , partial    = require('./_partial')
   , navigator  = global.navigator
   , MSIE       = !!navigator && /MSIE .\./.test(navigator.userAgent); // <- dirty ie9- check
 var wrap = function(set){
-- 
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