features:
- now supports Minecraft versions from 1.16 to 1.21
- player waypoints now have better symbols (player-name abbreviation)
- display a message if lots of marker waypoints are shown letting the player now that they can decrease the distance or disable them
- hide waypoints for players visible on screen (using ray-casts)
fixes:
- fix an issue where waypoints would not get deleted if the mod was disabled
- fix Dynmap link handling again
- fix some Pl3xMap marker links
- prevent multiple update loop crashes
- don't create waypoints if the symbol and name are empty