Work on safes. Code cleanup.
Hopefully setup up regex for getting MLCore version and adding it as a
dep.
Started implementing MlCore's new Gui System. Fixed a bug with
MetaItemRenderer.
Added options for disallowing cardboard spawning in dungeons and/or at
Blacksmiths.
Deprecated the current Packethandler; made it just an instance instead of
a class. Other work on Guis