Bump to v4.1.0.

_createInverter.js

@@ -0,0 +1,18 @@
+define(['./_baseInverter'], function(baseInverter) {
+
+  /**
+   * Creates a function like `_.invertBy`.
+   *
+   * @private
+   * @param {Function} setter The function to set accumulator values.
+   * @param {Function} toIteratee The function to resolve iteratees.
+   * @returns {Function} Returns the new inverter function.
+   */
+  function createInverter(setter, toIteratee) {
+    return function(object, iteratee) {
+      return baseInverter(object, setter, toIteratee(iteratee), {});
+    };
+  }
+
+  return createInverter;
+});