class CalenderManager:
    def __init__(self):
        pass
    
    def add_event(self, user, starttime, endtime):
        pass
    
    def get_current_event(self):
        #Return NONE if no event
        pass
    
    def remove_event(self, id):
        pass
    
    def get_upcoming_events(self, num):
        pass
Add basic calendar framework