@commands scenario, ...; OK

  * new, bootstrap, start, ...
  * sleep, succeed, fail, last std{out,err} should {be,match}
  * last_process
  * timeout: 60
  * \A + \Z
  * kill daemons
  * sleep 1 between stop, start
  * more aliases in example for scenario to work
  * mktmpdir w/ prefix