Extract google_calendar_worker
Extract google_calendar_worker

Using Worker class to do grabbing events on the google calendar

Billy4195/electronic-blackboard,Billy4195/electronic-blackboard,SWLBot/electronic-blackboard,stvreumi/electronic-blackboard,SWLBot/electronic-blackboard,SWLBot/electronic-blackboard,SWLBot/electronic-blackboard,stvreumi/electronic-blackboard,stvreumi/electronic-blackboard,Billy4195/electronic-blackboard,stvreumi/electronic-blackboard,Billy4195/electronic-blackboard