Implement Rip::Exceptions::{Base,SyntaxError}#dump
Assign specific status code for each possible Rip exception

After a cursory look around the internet, the only "standard" list of
codes found was at http://help.phys.unsw.edu.au/doc/f77/9,2.html. It may
make sense to standardize on that list, but for now just use unique
numbers starting with 11.
Create Rip::Exceptions::UsageException for when people hold the cli wrong

Thor may have a better way to do this, but I couldn't find it
Formalize unhandled exception's exit codes