readme: Replace Crate.io with PyPI
Let library.lookup() return unplayable tracks

Fixes mopidy/mopidy#606
Allow unplayable tracks when looking up albums/artists/playlists too
Prefix unplayable tracks with [unplayable]
Make translator sole creator of "[loading...]" tracks
Update mopidy requirement and change to setup()
Add browsing support to spotify library
Update model naming to "[loading] uri" and fix review comments
Add all spotify countries with names
Review fixes
Test extension with mock registry
flake8 fixes
packaging: Make wheels universal
Update to latest version of browse API
flake8 fixes
Merge pull request #12 from adamcik/feature/browsing

Basic browsing support
docs: Update changelog
docs: Spotify Unlimited no longer exists
Ensure all files are packaged on PyPI
Name loggers using __name__