Try to make the best of the argparse switch
Try to make the best of the argparse switch

* add _programname_ & (useful) __license__
* set usage by hand, so argparse does not uselessly list all parameters
* try to fit in with argparse's ugly formatting choice of not allowing
  capitalisation or sentences
* add a big todo

Color me unconvinced of argparse

sknorr/suse-doc-style-checker,sknorr/suse-doc-style-checker,sknorr/suse-doc-style-checker