Lavalink.py 5.2.0

Additions

• Added public Node.request method for making HTTP requests.
• Added Client.remove_event_hooks method.

Fixes

• Fix a potential issue where player.current would be set to None upon receiving subsequent TrackStartEvents.
• Fix position potentially reading incorrectly when a non-zero start_time was provided.
• Fix player.paused potentially holding an incorrect state if the player is paused and then skipped (forcing an un-pause).

Changes

• Documentation improvements.
• Improve robustness of player failover.