Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/arrify/index.js b/node_modules/arrify/index.js
new file mode 100644
index 0000000..2a2fdee
--- /dev/null
+++ b/node_modules/arrify/index.js
@@ -0,0 +1,8 @@
+'use strict';
+module.exports = function (val) {
+	if (val === null || val === undefined) {
+		return [];
+	}
+
+	return Array.isArray(val) ? val : [val];
+};