Fixed: Mark chunks dirty while relighting chunks to make sure they don't get discarded between lighting passes.
Fixed: Mark chunks dirty while relighting chunks to make sure they don't get discarded between lighting passes.

If you change a chunk, and then don't mark it dirty before losing the reference to the chunk, it will eventually get unloaded and your changes will be lost.

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