code: def send_and_await_response(self,request):
          
          if self._state == STATE_DISCONNECTED:
              raise Exception("WAMP is currently disconnected!")
          wait_queue = queue.Queue()
          request_id = request.request_id
          self._requests_pending[request_id] = wait_queue;
          self.send_message(request)
          try:
              return wait_queue.get(block=True,timeout=self.timeout)
          except Exception as ex:
              raise Exception("Did not receive a response!")
docs: Used by most things. Sends out a request then awaits a response
              keyed by the request_id