Bump to v4.0.0.

flow.js

@@ -0,0 +1,26 @@
+define(['./internal/createFlow'], function(createFlow) {
+
+  /**
+   * Creates a function that returns the result of invoking the provided
+   * functions with the `this` binding of the created function, where each
+   * successive invocation is supplied the return value of the previous.
+   *
+   * @static
+   * @memberOf _
+   * @category Util
+   * @param {...(Function|Function[])} [funcs] Functions to invoke.
+   * @returns {Function} Returns the new function.
+   * @example
+   *
+   * function square(n) {
+   *   return n * n;
+   * }
+   *
+   * var addSquare = _.flow(_.add, square);
+   * addSquare(1, 2);
+   * // => 9
+   */
+  var flow = createFlow();
+
+  return flow;
+});