Bump to v4.0.0.

pick.js

@@ -0,0 +1,26 @@
+import baseFlatten from './internal/baseFlatten';
+import basePick from './internal/basePick';
+import rest from './rest';
+
+/**
+ * Creates an object composed of the picked `object` properties.
+ *
+ * @static
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The source object.
+ * @param {...(string|string[])} [props] The property names to pick, specified
+ *  individually or in arrays.
+ * @returns {Object} Returns the new object.
+ * @example
+ *
+ * var object = { 'a': 1, 'b': '2', 'c': 3 };
+ *
+ * _.pick(object, ['a', 'c']);
+ * // => { 'a': 1, 'c': 3 }
+ */
+var pick = rest(function(object, props) {
+  return object == null ? {} : basePick(object, baseFlatten(props));
+});
+
+export default pick;