WEAPON KEYS & AMMO STACKING

Additions:

+Major changes to the inventory to accommodate number keys switching between guns +Picking up multiple of the same gun now stacks the ammo beyond one clip (but limited to a fixed amount per gun)

Fixes:

+Fixed issue that could cause saves from locking up +Fixed issue that could leave damage overlay visible throughout some secrets +Fixed issue making save terminals more difficult to activate than intended +Adjusted placement on the save and exit terminal in the burbs +Fixed issue stopping the canyon merchant from being robbable +Fixed issue making low performance mode not enable itself when launching the game when applicable +Fixed issue that was unintentionally reducing lil joby population +Fixed issue that reduced a few sound effects volume +Fixed issue making Luftenstein not work correctly in low performance mode +Fixed minor Z-fighting in burbs merchant shop +Fixed minor Z-fighting in the burbs exit room +Fixed additional areas where enemies could spawn on train tracks