Forgot break in switch for half size space
MsgBox: Fix argument parsing when arguments are (partly) invalid.
Remove utf-macro, not needed since boost refactor
MsgBox: Number input was displayed incorrectly on next page
Modulo with 0 is 0 in RPG_RT
Fix items overflowing when an item was removed and you didnt have it yet
Event Item rejects negative values (via variable access)
Begin implementing of level up (including learning of new skills)