foobar2000: Components Repository

Spotify Integration

By: TheQwertiest

Added

*Play* the artist: adds top tracks for the artist (<https://github.com/TheQwertiest/foo_spotify/issues/15>).
`%codec%` metadata field (<https://github.com/TheQwertiest/foo_spotify/issues/14>).
More options in `Preferences`:
- Cache size configuration (<https://github.com/TheQwertiest/foo_spotify/issues/23>).
- Spotify `private mode` option (<https://github.com/TheQwertiest/foo_spotify/issues/13>).
- Spotify normalization option (<https://github.com/TheQwertiest/foo_spotify/issues/12>).

Changed

Better Web API handling in attempt to avoid 429 errors:
- RPS limit (<https://github.com/TheQwertiest/foo_spotify/issues/27>).
- `retry-after` response header handling (<https://github.com/TheQwertiest/foo_spotify/issues/11>).
- Pre-emptive batch track update on playlist change (<https://github.com/TheQwertiest/foo_spotify/issues/30>).
- Pre-emptive batch artist update on playlist change (<https://github.com/TheQwertiest/foo_spotify/issues/31>).
Improved error message when track is not available in user's country (<https://github.com/TheQwertiest/foo_spotify/issues/8>).

Fixed

Can't relogin without closing Preferences dialog (<https://github.com/TheQwertiest/foo_spotify/issues/24>).
Dynamic info change is signaled too frequently, despite data being the same (<https://github.com/TheQwertiest/foo_spotify/issues/22>).
Can't play tracks when buffering is enabled in fb2k (<https://github.com/TheQwertiest/foo_spotify/issues/21>).
Crash: Illegal operation (<https://github.com/TheQwertiest/foo_spotify/issues/19>).
Multi-value tags are not displayed correctly (<https://github.com/TheQwertiest/foo_spotify/issues/17>).
Can't import playlists with local tracks (<https://github.com/TheQwertiest/foo_spotify/issues/16>, <https://github.com/TheQwertiest/foo_spotify/issues/18>).

Supported processor architecture: x86 32-bit.

Works with foobar2000 v1.3.17 and newer