Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/is-plain-obj/index.js b/node_modules/is-plain-obj/index.js
new file mode 100644
index 0000000..0d1ba9e
--- /dev/null
+++ b/node_modules/is-plain-obj/index.js
@@ -0,0 +1,7 @@
+'use strict';
+var toString = Object.prototype.toString;
+
+module.exports = function (x) {
+	var prototype;
+	return toString.call(x) === '[object Object]' && (prototype = Object.getPrototypeOf(x), prototype === null || prototype === Object.getPrototypeOf({}));
+};