PASS  ls with nothing registered says so and names the registry
PASS  new creates the directory, a superuser and a next step
PASS  it scaffolds the same shape a project has
PASS  and a database with the superuser in it
PASS  a name that is taken is refused
PASS  a name that cannot be used is refused before anything is written
PASS  every instance gets a port of its own
PASS  ls shows each one with its port and state
PASS  rm forgets an instance and leaves its data alone
PASS  purge refuses when nobody can be asked
PASS  and nothing was deleted
PASS  purge with --yes removes the row and the directory
PASS  removing a name that is not registered is an error, not a silent success
PASS  starting a name that is not registered says so
PASS  an unknown subcommand prints the usage

15 pass, 0 fail