Music Events

Properly implemented the server_nbt_sync parameter, which is needed for the nbt_match parameter to work when it is trying to work with server-side nbts.

Added an event_delay parameter. Even if it's active, the event won't play any audio until the delay time (in seconds) is over. After the event plays audio the event_delay parameter goes on a 2 minute cooldown, or it also gets reset after 2 other events have played any audios.

The mod can now be configured to evaluate events faster than the default 20 ticks/1 second. Lower values make the mod faster, but could impact more the CPU, depending on the complexity of the event.