Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/map-obj/index.js b/node_modules/map-obj/index.js
new file mode 100644
index 0000000..8b7b4d6
--- /dev/null
+++ b/node_modules/map-obj/index.js
@@ -0,0 +1,13 @@
+'use strict';
+module.exports = function (obj, cb) {
+	var ret = {};
+	var keys = Object.keys(obj);
+
+	for (var i = 0; i < keys.length; i++) {
+		var key = keys[i];
+		var res = cb(key, obj[key], obj);
+		ret[res[0]] = res[1];
+	}
+
+	return ret;
+};