Added a utility function to regions to support very quickly getting a list of all the existing allocated chunks in a region. This is 300-500x faster over a 70k chunk world than parsing the entire file.
Added a utility function to regions to support very quickly getting a list of all the existing allocated chunks in a region. This is 300-500x faster over a 70k chunk world than parsing the entire file.

TkTech/PyNBT