Added: Full 1.13 support
Added: Biomes can be specified for the void generator
Added: Generators get cached so in case you want to handle multiple worlds with different generators your generation time should decrease
Added: Preparations for improved updater were made
Added: Native Plugin API is now 1.13

Fix: Messages cleared up
Fix: potential NPEs were removed

Removed: Any version support below 1.13. If you still wish to use your legacy versions use the 1.2.0 legacy version of this plugin.
Removed: Unneccessary memory loops