Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/for-in/index.js b/node_modules/for-in/index.js
new file mode 100644
index 0000000..0b5f95f
--- /dev/null
+++ b/node_modules/for-in/index.js
@@ -0,0 +1,16 @@
+/*!
+ * for-in <https://github.com/jonschlinkert/for-in>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function forIn(obj, fn, thisArg) {
+  for (var key in obj) {
+    if (fn.call(thisArg, obj[key], key, obj) === false) {
+      break;
+    }
+  }
+};