Catt

Feature
- Add local file casting support.

Feature
- Add additional volume and info commands

Feature
- Add ability to fast forward and adjust volume

Fix
- Pin to a different youtube-dl version (fixes 2).

Feature
- Show title instead of URL when playing.

Fix
- Don't die on video URLs that point to the video file itself.
- Remove decimals from status time.
- Don't crash on status if nothing is playing.

Fix
- Make the CLI interface more self-documenting.
- Fix rewind.