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diff --git a/node_modules/grunt-uncss/node_modules/lodash/_baseClone.js b/node_modules/grunt-uncss/node_modules/lodash/_baseClone.js
new file mode 100644
index 000000000..7c27a37d3
--- /dev/null
+++ b/node_modules/grunt-uncss/node_modules/lodash/_baseClone.js
@@ -0,0 +1,153 @@
+var Stack = require('./_Stack'),
+    arrayEach = require('./_arrayEach'),
+    assignValue = require('./_assignValue'),
+    baseAssign = require('./_baseAssign'),
+    baseAssignIn = require('./_baseAssignIn'),
+    cloneBuffer = require('./_cloneBuffer'),
+    copyArray = require('./_copyArray'),
+    copySymbols = require('./_copySymbols'),
+    copySymbolsIn = require('./_copySymbolsIn'),
+    getAllKeys = require('./_getAllKeys'),
+    getAllKeysIn = require('./_getAllKeysIn'),
+    getTag = require('./_getTag'),
+    initCloneArray = require('./_initCloneArray'),
+    initCloneByTag = require('./_initCloneByTag'),
+    initCloneObject = require('./_initCloneObject'),
+    isArray = require('./isArray'),
+    isBuffer = require('./isBuffer'),
+    isObject = require('./isObject'),
+    keys = require('./keys');
+
+/** Used to compose bitmasks for cloning. */
+var CLONE_DEEP_FLAG = 1,
+    CLONE_FLAT_FLAG = 2,
+    CLONE_SYMBOLS_FLAG = 4;
+
+/** `Object#toString` result references. */
+var argsTag = '[object Arguments]',
+    arrayTag = '[object Array]',
+    boolTag = '[object Boolean]',
+    dateTag = '[object Date]',
+    errorTag = '[object Error]',
+    funcTag = '[object Function]',
+    genTag = '[object GeneratorFunction]',
+    mapTag = '[object Map]',
+    numberTag = '[object Number]',
+    objectTag = '[object Object]',
+    regexpTag = '[object RegExp]',
+    setTag = '[object Set]',
+    stringTag = '[object String]',
+    symbolTag = '[object Symbol]',
+    weakMapTag = '[object WeakMap]';
+
+var arrayBufferTag = '[object ArrayBuffer]',
+    dataViewTag = '[object DataView]',
+    float32Tag = '[object Float32Array]',
+    float64Tag = '[object Float64Array]',
+    int8Tag = '[object Int8Array]',
+    int16Tag = '[object Int16Array]',
+    int32Tag = '[object Int32Array]',
+    uint8Tag = '[object Uint8Array]',
+    uint8ClampedTag = '[object Uint8ClampedArray]',
+    uint16Tag = '[object Uint16Array]',
+    uint32Tag = '[object Uint32Array]';
+
+/** Used to identify `toStringTag` values supported by `_.clone`. */
+var cloneableTags = {};
+cloneableTags[argsTag] = cloneableTags[arrayTag] =
+cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
+cloneableTags[boolTag] = cloneableTags[dateTag] =
+cloneableTags[float32Tag] = cloneableTags[float64Tag] =
+cloneableTags[int8Tag] = cloneableTags[int16Tag] =
+cloneableTags[int32Tag] = cloneableTags[mapTag] =
+cloneableTags[numberTag] = cloneableTags[objectTag] =
+cloneableTags[regexpTag] = cloneableTags[setTag] =
+cloneableTags[stringTag] = cloneableTags[symbolTag] =
+cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
+cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
+cloneableTags[errorTag] = cloneableTags[funcTag] =
+cloneableTags[weakMapTag] = false;
+
+/**
+ * The base implementation of `_.clone` and `_.cloneDeep` which tracks
+ * traversed objects.
+ *
+ * @private
+ * @param {*} value The value to clone.
+ * @param {boolean} bitmask The bitmask flags.
+ *  1 - Deep clone
+ *  2 - Flatten inherited properties
+ *  4 - Clone symbols
+ * @param {Function} [customizer] The function to customize cloning.
+ * @param {string} [key] The key of `value`.
+ * @param {Object} [object] The parent object of `value`.
+ * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
+ * @returns {*} Returns the cloned value.
+ */
+function baseClone(value, bitmask, customizer, key, object, stack) {
+  var result,
+      isDeep = bitmask & CLONE_DEEP_FLAG,
+      isFlat = bitmask & CLONE_FLAT_FLAG,
+      isFull = bitmask & CLONE_SYMBOLS_FLAG;
+
+  if (customizer) {
+    result = object ? customizer(value, key, object, stack) : customizer(value);
+  }
+  if (result !== undefined) {
+    return result;
+  }
+  if (!isObject(value)) {
+    return value;
+  }
+  var isArr = isArray(value);
+  if (isArr) {
+    result = initCloneArray(value);
+    if (!isDeep) {
+      return copyArray(value, result);
+    }
+  } else {
+    var tag = getTag(value),
+        isFunc = tag == funcTag || tag == genTag;
+
+    if (isBuffer(value)) {
+      return cloneBuffer(value, isDeep);
+    }
+    if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
+      result = (isFlat || isFunc) ? {} : initCloneObject(value);
+      if (!isDeep) {
+        return isFlat
+          ? copySymbolsIn(value, baseAssignIn(result, value))
+          : copySymbols(value, baseAssign(result, value));
+      }
+    } else {
+      if (!cloneableTags[tag]) {
+        return object ? value : {};
+      }
+      result = initCloneByTag(value, tag, baseClone, isDeep);
+    }
+  }
+  // Check for circular references and return its corresponding clone.
+  stack || (stack = new Stack);
+  var stacked = stack.get(value);
+  if (stacked) {
+    return stacked;
+  }
+  stack.set(value, result);
+
+  var keysFunc = isFull
+    ? (isFlat ? getAllKeysIn : getAllKeys)
+    : (isFlat ? keysIn : keys);
+
+  var props = isArr ? undefined : keysFunc(value);
+  arrayEach(props || value, function(subValue, key) {
+    if (props) {
+      key = subValue;
+      subValue = value[key];
+    }
+    // Recursively populate clone (susceptible to call stack limits).
+    assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
+  });
+  return result;
+}
+
+module.exports = baseClone;