Minor pep8 adjustments and small cleanup in application.py to not
force the window to show all its widgets
Merge pull request #31 from gnome-prototypes-team/fixes1

Minor pep8 adjustments and small cleanup in application.py to not
Merge pull request #30 from kyoushuu/master

widgets: Add missing parameter in a callback
albumArtCache: Add missing return value in _try_load
player: Add missing parameter for lookup callback
Fix some camelCase to lower_case in variable/method names