Changes:
- NoteBlockAPI v1.6.0 or newer is now required
- Compatible with Spigot 1.8 - 1.18+
- Fixed compatibility with Multiverse
- Added configurable delay between songs
- Radio can now play songs from playlist in random order
- World radio and Server radio now support stereo songs
- Added support for extended 10 octave range using resource pack
- Songs can now be in subdirectories
- Bug fixes