Dispatch any queued requests.

        Called by the debugger when it stops.

def dispatch_queue(self):
        """
        Dispatch any queued requests.

        Called by the debugger when it stops.
        """
        self.queue_lock.acquire()
        q = list(self.queue)
        self.queue = []
        self.queue_lock.release()
        log.debug("Dispatching requests: {}".format(q))
        for req in q:
            req.response = self.dispatch_request(req)
        for req in q:
            req.signal()