def reserve_job(conn, reserve_timeout = Backburner.configuration.reserve_timeout)
      Backburner::Job.new(conn.tubes.reserve(reserve_timeout))
    end
def reserve_job(conn, reserve_timeout = Backburner.configuration.reserve_timeout)
      Backburner::Job.new(conn.tubes.reserve(reserve_timeout))
    end
Reserve a job from the watched queues