examples/option.py: Port to GI and Python 3
examples/option.py: Port to GI and Python 3

pexip/pygobject,davibe/pygobject,GNOME/pygobject,GNOME/pygobject,davibe/pygobject,davibe/pygobject,GNOME/pygobject,davibe/pygobject,sfeltman/pygobject,sfeltman/pygobject,pexip/pygobject,sfeltman/pygobject,pexip/pygobject