deleteChunk no longer relies on having a chunk object in _loadedChunks, making it possible to delete unloaded chunks
deleteChunk no longer relies on having a chunk object in _loadedChunks, making it possible to delete unloaded chunks

arruda/pymclevel,codewarrior0/pymclevel,ahh2131/mchisel,mcedit/pymclevel,ahh2131/mchisel,codewarrior0/pymclevel,arruda/pymclevel,mcedit/pymclevel