Bump to v4.1.0.

_wrapperClone.js

@@ -0,0 +1,23 @@
+import LazyWrapper from './_LazyWrapper';
+import LodashWrapper from './_LodashWrapper';
+import copyArray from './_copyArray';
+
+/**
+ * Creates a clone of `wrapper`.
+ *
+ * @private
+ * @param {Object} wrapper The wrapper to clone.
+ * @returns {Object} Returns the cloned wrapper.
+ */
+function wrapperClone(wrapper) {
+  if (wrapper instanceof LazyWrapper) {
+    return wrapper.clone();
+  }
+  var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
+  result.__actions__ = copyArray(wrapper.__actions__);
+  result.__index__  = wrapper.__index__;
+  result.__values__ = wrapper.__values__;
+  return result;
+}
+
+export default wrapperClone;