Change OptionHandler to support '-cp' instead of '--cp'. This update
to the original fix (045088e8b) renders `help` output correctly and
should prevent potential issues if a `-p` command is added in the future.
Fixes gh-178
Change OptionHandler to support '-cp' instead of '--cp'. This update
to the original fix (045088e8b) renders `help` output correctly and
should prevent potential issues if a `-p` command is added in the future.
Fixes gh-178