--version now just shows version
--version now just shows version

Closes #143 (thanks @brianknight10 for the test coverage!)

edusantana/gli,edusantana/gli,davetron5000/gli,mauromorales/gli,apotterri/gli,apotterri/gli,davetron5000/gli,annafw/gli,annafw/gli,mauromorales/gli