- added config parameter to define the number of chunks that should be generated per step
- probably fixed#3 by processing or canceling pending chunks before the world is saved
- improved performance of paper generation task
- improved stability of spigot generation task
- Updated Readme
- added configuration parameters for max pending chunks and max loaded chunks
- improved performance on paper servers by using chunk coordinates instead of chunk instances to check if the chunk was generated
- moved generation stuff to lib/generation