Bug fixes and UI changes

• Fixed some minor issues
• Adjusted UI to handle large song/artist/album names (looking at you Panic! At The Disco)

Volume slider and functioning artwork

Features and cleanup

- Volume works
- Artwork updates when playback state changes
- Views are tied to properties now, instead of being manually filtered

First decent release

An actual release with features.

Known issues:

• Hacky solution to some image buttons not updating properly
• Title change moves the popover

Moved to Swift

No new features, just moved to Swift.

Simple Spotify options

• Repeat toggle
• Shuffle toggle