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diff --git a/node_modules/flatten/LICENSE b/node_modules/flatten/LICENSE
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+The MIT License (MIT)
+
+Copyright (c) 2016 Joshua Holbrook
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/flatten/README.md b/node_modules/flatten/README.md
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+# flatten
+
+A tiny utility to flatten arrays of arrays (of arrays, etc., recursively, infinitely or to an optional depth) into a single array of non-arrays.
+
+## example:
+
+```js
+> var flatten = require('flatten');
+undefined
+> flatten([1, [2, 3], [4, 5, 6], [7, [8, 9]], 10])
+[ 1,
+  2,
+  3,
+  4,
+  5,
+  6,
+  7,
+  8,
+  9,
+  10 ]
+> flatten([1, [2, [3, [4, [5]]]]], 2)
+[ 1,
+  2,
+  3,
+  [ 4, [ 5 ] ] ]
+```
+
+## install:
+
+    npm install flatten
+
+## license:
+
+MIT/X11.
diff --git a/node_modules/flatten/index.js b/node_modules/flatten/index.js
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+module.exports = function flatten(list, depth) {
+  depth = (typeof depth == 'number') ? depth : Infinity;
+
+  if (!depth) {
+    if (Array.isArray(list)) {
+      return list.map(function(i) { return i; });
+    }
+    return list;
+  }
+
+  return _flatten(list, 1);
+
+  function _flatten(list, d) {
+    return list.reduce(function (acc, item) {
+      if (Array.isArray(item) && d < depth) {
+        return acc.concat(_flatten(item, d + 1));
+      }
+      else {
+        return acc.concat(item);
+      }
+    }, []);
+  }
+};
diff --git a/node_modules/flatten/package.json b/node_modules/flatten/package.json
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+{
+  "author": "Joshua Holbrook <josh.holbrook@gmail.com> (http://jesusabdullah.net)",
+  "name": "flatten",
+  "description": "Flatten arbitrarily nested arrays into a non-nested list of non-array items",
+  "version": "1.0.2",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/jesusabdullah/node-flatten.git"
+  },
+  "main": "./index.js",
+  "scripts": {
+    "test": "node ./test.js"
+  },
+  "license": "MIT",
+  "dependencies": {},
+  "devDependencies": {},
+  "optionalDependencies": {},
+  "engines": {
+    "node": "*"
+  }
+}
diff --git a/node_modules/flatten/test.js b/node_modules/flatten/test.js
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+var flatten = require('./index'),
+    util = require('util'),
+    assert = require('assert');
+
+[
+  [ [1, [ 2, 3]], [1, [2, 3]], 0],
+  [ [1, 2, 3 ], [1, 2, 3] ],
+  [ ['a', ['b', ['c']]], ['a', 'b', 'c'] ],
+  [ [2, [4, 6], 8, [[10]]], [2, 4, 6, 8, 10] ],
+  [ [1, [2, [3, [4, [5]]]]], [1, 2, 3, [4, [5]]], 2 ] // depth of 2
+].forEach(function (t) {
+  assert.deepEqual(flatten(t[0], t[2]), t[1], 
+    util.format('☠☠☠☠☠☠☠☠☠ %s ☠☠☠☠☠☠☠☠☠', formatCall(t))
+  );
+  console.log('✓ %s', formatCall(t));
+});
+
+function formatCall(t) {
+  if (typeof t[2] === 'undefined') {
+    return util.format('`flatten(%j) == %j`', t[0], t[1]);
+  }
+  else {
+    return util.format('`flatten(%j, %j) == %j`', t[0], t[2], t[1]);
+  }
+}