code: def send_message(self, message, sign=True):
  		
  		self.check_connected()
  		self.protocol.send_message(message, sign)
docs: Sends the given message to the connection.
  		@type message: OmapiMessage
  		@type sign: bool
  		@param sign: whether the message needs to be signed
  		@raises OmapiError:
  		@raises socket.error: