code: def add_command_set(self, command_set):
          
          for command in command_set.get_commands():
              self.add_command(command)
  
          for event in command_set.get_events():
              self.add_event(event)
docs: Adds all of the commands and events from specified CommandSet command set
          into this one.
          
          :param command_set: a commands set to add commands from