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The original LiteLoader version is completely borked for me in 1.9.4, and not many servers are on 1.9 (this is basically only for Funcraft), so only porting important bug/crash fixes.
Initial 1.9.4 release
Backported this commit (& a bit of this one) to prevent NullPointerExceptions on empty chunks
Now saving empty chunks
Version number normalized to 1.0.0-1.9.4

A legacy Forge mod that allows you to make backups and archive Minecraft worlds