Made the short command line options show up in the help text provided by argparse.
Made the short command line options show up in the help text provided by argparse.

dhamaniasad/caniusepython3,nett55/caniusepypy,brettcannon/caniusepython3,ctismer/caniusepython3,svisser/caniusepython3,public/caniusepypy