Update to v13 and add queue and completely change code

node_modules/async.util.keyiterator/.editorconfig

@@ -0,0 +1,10 @@
+# editorconfig.org
+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+indent_size = 4

node_modules/async.util.keyiterator/.jscsrc

@@ -0,0 +1,3 @@
+{
+  "validateIndentation": 4
+}

node_modules/async.util.keyiterator/.jshintrc

@@ -0,0 +1,29 @@
+{
+    // Enforcing options
+    "eqeqeq": false,
+    "forin": true,
+    "indent": 4,
+    "noarg": true,
+    "undef": true,
+    "unused": true,
+    "trailing": true,
+    "evil": true,
+    "laxcomma": true,
+
+    // Relaxing options
+    "onevar": false,
+    "asi": false,
+    "eqnull": true,
+    "expr": false,
+    "loopfunc": true,
+    "sub": true,
+    "browser": true,
+    "node": true,
+    "globals": {
+        "self": true,
+        "define": true,
+        "describe": true,
+        "context": true,
+        "it": true
+    }
+}

node_modules/async.util.keyiterator/.npmignore

@@ -0,0 +1,3 @@
+.DS_Store
+node_modules
+npm-debug.log

node_modules/async.util.keyiterator/README.md

@@ -0,0 +1,15 @@
+# async.util.keyiterator
+
+![Last version](https://img.shields.io/github/tag/async-js/async.util.keyiterator.svg?style=flat-square)
+[![Dependency status](http://img.shields.io/david/async-js/async.util.keyiterator.svg?style=flat-square)](https://david-dm.org/async-js/async.util.keyiterator)
+[![Dev Dependencies Status](http://img.shields.io/david/dev/async-js/async.util.keyiterator.svg?style=flat-square)](https://david-dm.org/async-js/async.util.keyiterator#info=devDependencies)
+[![NPM Status](http://img.shields.io/npm/dm/async.util.keyiterator.svg?style=flat-square)](https://www.npmjs.org/package/async.util.keyiterator)
+[![Donate](https://img.shields.io/badge/donate-paypal-blue.svg?style=flat-square)](https://paypal.me/kikobeats)
+
+> async keyiterator helper method as module.
+
+This module is used internally by [async](https://github.com/async-js/async).
+
+## License
+
+MIT © [async-js](https://github.com/async-js)

node_modules/async.util.keyiterator/index.js

@@ -0,0 +1,24 @@
+'use strict';
+
+var _keys = require('async.util.keys');
+var isArrayLike = require('async.util.isarraylike');
+
+module.exports = function keyIterator(coll) {
+    var i = -1;
+    var len;
+    var keys;
+    if (isArrayLike(coll)) {
+        len = coll.length;
+        return function next() {
+            i++;
+            return i < len ? i : null;
+        };
+    } else {
+        keys = _keys(coll);
+        len = keys.length;
+        return function next() {
+            i++;
+            return i < len ? keys[i] : null;
+        };
+    }
+};

node_modules/async.util.keyiterator/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "async.util.keyiterator",
+  "description": "async keyiteratorhelper method as module.",
+  "main": "./index.js",
+  "repository": "async-js/async.util",
+  "author": {
+    "email": "josefrancisco.verdu@gmail.com",
+    "name": "Kiko Beats",
+    "url": "https://github.com/Kikobeats"
+  },
+  "version": "0.5.2",
+  "license": "MIT",
+  "dependencies": {
+    "async.util.isarraylike": "0.5.2",
+    "async.util.keys": "0.5.2"
+  },
+  "keywords": [
+    "async.util",
+    "keyiterator"
+  ]
+}