Fix panic when querying a type of Record which doesn't exist
Fix panic when querying a type of Record which doesn't exist

SkygearIO/skygear-server,SkygearIO/skygear-server,SkygearIO/skygear-server,SkygearIO/skygear-server,rickmak/skygear-server,rickmak/skygear-server,rickmak/skygear-server