Only output the top level commands on the generic 'help' command
Pluralise those classes
Add in a reminder for how to run tests ;)
Add in minitest dependencies
Clean up SSH key output

Outputting the raw SSH key is pretty insecure so now it has been
replaced and only the MD5 fingerprint is outputted instead.
Add user agent explanation
Adding initial specs
Clean up the custom help commands
Clean up task docs