def removeUser(self, user):
        if self.inRoster(user):
            del self.roster[user.nick]
Insert row into main_hitgroupstatus row
dataset/ETHPy150Open ralphm/wokkel/wokkel/muc.py/Room.removeUser--crossover with--dataset/ETHPy150Open ipeirotis/Mturk-Tracker/app/mturk/main/management/commands/crawler/db.py/DB.insert_hit_group_status