Bump to v4.1.0.

_getData.js

@@ -0,0 +1,15 @@
+define(['./_metaMap', './noop'], function(metaMap, noop) {
+
+  /**
+   * Gets metadata for `func`.
+   *
+   * @private
+   * @param {Function} func The function to query.
+   * @returns {*} Returns the metadata for `func`.
+   */
+  var getData = !metaMap ? noop : function(func) {
+    return metaMap.get(func);
+  };
+
+  return getData;
+});