Add lossless support

[ljrk0]

Hooking up the changes from
kokarare1212/librespot-python#316

Verification

$ python -m zotify 'https://open.spotify.com/track/1...'
$ file /path/to/track.ogg: Ogg data, Vorbis audio, stereo, 44100 Hz, ~160000 bps
$ python -m zotify -q lossless 'https://open.spotify.com/track/2...'
$ file /path/to/track2.ogg: Ogg data, Vorbis audio, stereo, 44100 Hz, ~320000 bps

Completes #72, barring kokarare1212/librespot-python#320.

This does not transition to the newly introduced classes, though.

[Mariano228]

This would be great

[DarpNagarsheth]

This does not transition to the newly introduced classes, though.

What does that mean?

[Googolplexed0]

Completes #72, barring kokarare1212/librespot-python#320.

This upstream PR does not fully implement lossless streaming. It will likely never be fully implemented, as the original librespot library has said they do not plan to work on the feature.