def flush_all
      # It can take a long time to flush all of the messages
      # on a server, so we'll set the read timeout to something
      # much higher than usual.
      connection.with_additional_read_timeout(60) do
        resp = send_recv( KJess::Request::FlushAll.new )
        return KJess::Response::End === resp
      end
    end
def flush_all
      # It can take a long time to flush all of the messages
      # on a server, so we'll set the read timeout to something
      # much higher than usual.
      connection.with_additional_read_timeout(60) do
        resp = send_recv( KJess::Request::FlushAll.new )
        return KJess::Response::End === resp
      end
    end
Public: Remove all items from all queues on the kestrel server

 Returns true.