Release v1.13.0 (for Beat Saber v1.13.2)

See the README file for installation and usage instructions.

Adds:

• Beat Saber v1.13.2 support
• performance.rawScore
• softFailed event and performance.softFailed property. See protocol.md for more information.

Fixes:

• Multiplayer level completions not handled correctly

Changes:

• Reduces log level of some logs