Core:\n- Removed Booth stacking protection for now.\n- Vision class error handling.\n- Implemented KO Board announcement support.\n- Trading item limited to 20 items.

Attack/Spell:\n- Calculations improved and issue/typo corrections.\n- Invisibility, Fly and other similar auras should now again be displayed properly on cast since last update screwed it up.\n\nItem:\n- Fixed an typo with FireOfHell spell book not being usable at level 82.\n\nEvents:\n- DisCity stage 3 creatures should no longer multiply in count on each DisCity start.