Bump to v3.1.0.

internal/baseMatches.js

@@ -1,4 +1,3 @@
-import baseClone from './baseClone';
 import baseIsMatch from './baseIsMatch';
 import isStrictComparable from './isStrictComparable';
 import keys from '../object/keys';
@@ -15,10 +14,9 @@ var hasOwnProperty = objectProto.hasOwnProperty;
  *
  * @private
  * @param {Object} source The object of property values to match.
- * @param {boolean} [isCloned] Specify cloning the source object.
  * @returns {Function} Returns the new function.
  */
-function baseMatches(source, isCloned) {
+function baseMatches(source) {
   var props = keys(source),
       length = props.length;
 
@@ -32,9 +30,6 @@ function baseMatches(source, isCloned) {
       };
     }
   }
-  if (isCloned) {
-    source = baseClone(source, true);
-  }
   var values = Array(length),
       strictCompareFlags = Array(length);