Bump to v3.2.0.

utility/mixin.js

@@ -28,6 +28,9 @@ define(['../internal/arrayCopy', '../internal/baseFunctions', '../lang/isFunctio
    *   });
    * }
    *
+   * // use `_.runInContext` to avoid potential conflicts (esp. in Node.js)
+   * var _ = require('lodash').runInContext();
+   *
    * _.mixin({ 'vowels': vowels });
    * _.vowels('fred');
    * // => ['e']