add command
instance menu
use an integer within range
connecting works, add graceful exit
tersts
Update readme, Closes #5
Add username
Auto ssh if only one instance
Moar tests
Pass options to execute methods
make options optional
Output ssh command in verbose mode
update readme, Closes #15
Stop using commander objects for options
Raise warning on env not found
Too much trust in the Rubies
Public ips, too
Forgot one. Lets refactor that.
Moar tests
Merge pull request #13 from sportngin/ssh-command

SSH command, verbose mode, execute option hashes