1. Upon starting, PiSH shall output two dashes.
2. Upon needing input, PiSH shall output a dot.
3. Upon receiving an invalid command, PiSH shall output two dots.
4. Upon receiving a valid command and beginnin execution, PiSH shall output a dash.
5. Upon the failure of a command, two dots shall be outputted.
6. Upon the sucess of a command, a dash shall be outputted.
7. After a command has either failed or completed, PiSH will wait for one second before awaiting input again.