Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/lowercase-keys/index.js b/node_modules/lowercase-keys/index.js
new file mode 100644
index 0000000..b8d8898
--- /dev/null
+++ b/node_modules/lowercase-keys/index.js
@@ -0,0 +1,11 @@
+'use strict';
+module.exports = function (obj) {
+	var ret = {};
+	var keys = Object.keys(Object(obj));
+
+	for (var i = 0; i < keys.length; i++) {
+		ret[keys[i].toLowerCase()] = obj[keys[i]];
+	}
+
+	return ret;
+};