Make compatible with Python 3 syntax
Add DBUS support (+ PEP8 refactor)
Add album art support
Guard against exceptions if album art path is incorrect
Work around transparency issues with icon scaling
Fix broken non-RGBA images
Remove reference to "Growl" for generic options
Fix notification not showing when switching from stopped/paused to play
Fix help message case and icon scale text
Merge pull request #4 from Bun/master

Refactoring, Python 3/Linux support, and album art