Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/safe-json-parse/index.js b/node_modules/safe-json-parse/index.js
new file mode 100644
index 0000000..ff25646
--- /dev/null
+++ b/node_modules/safe-json-parse/index.js
@@ -0,0 +1,18 @@
+module.exports = SafeParse
+
+function SafeParse(obj, reviver, callback) {
+    if (arguments.length === 2) {
+        callback = reviver
+        reviver = null
+    }
+
+    var json
+
+    try {
+        json = JSON.parse(obj, reviver)
+    } catch (err) {
+        return callback(err)
+    }
+
+    callback(null, json)
+}