Bump to v4.0.0.

internal/arrayIncludes.js

@@ -0,0 +1,17 @@
+define(['./baseIndexOf'], function(baseIndexOf) {
+
+  /**
+   * A specialized version of `_.includes` for arrays without support for
+   * specifying an index to search from.
+   *
+   * @private
+   * @param {Array} array The array to search.
+   * @param {*} target The value to search for.
+   * @returns {boolean} Returns `true` if `target` is found, else `false`.
+   */
+  function arrayIncludes(array, value) {
+    return !!array.length && baseIndexOf(array, value, 0) > -1;
+  }
+
+  return arrayIncludes;
+});