Add Robot_JoyIt driver

node_modules/jayson/lib/server/index.js

@@ -190,7 +190,9 @@ Server.prototype.removeMethod = function(name) {
  * @return {Method}
  */
 Server.prototype.getMethod = function(name) {
-  return this._methods[name];
+  if (Object.prototype.hasOwnProperty.call(this._methods, name)) {
+    return this._methods[name];
+  }
 };
 
 /**
@@ -420,7 +422,8 @@ Server.prototype._batch = function(requests, context, callback) {
 
       // only notifications in request means empty response
       if(!filtered.length) {
-        return callback();
+        callback();
+        return;
       }
       callback(null, filtered);
     }