Bump to v4.13.0.

pull.js

@@ -18,11 +18,11 @@ var pullAll = require('./pullAll'),
  * @returns {Array} Returns `array`.
  * @example
  *
- * var array = [1, 2, 3, 1, 2, 3];
+ * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
  *
- * _.pull(array, 2, 3);
+ * _.pull(array, 'a', 'c');
  * console.log(array);
- * // => [1, 1]
+ * // => ['b', 'b']
  */
 var pull = rest(pullAll);