Gearbox v0.4.1

Bug fix release. Changelog from v0.4:

• fixed selecting hidden weapons;
• fixed constant ticking on tomed weapons and in some other cases;
• fixed VM abort when the last inventory item is used up;
• fixed truncation of floating point values warnings;
• wheel: fixed misaligned quantity dots when quantity is odd;
• blocks: fixed VM abort when there are no items;

New:

• made previous weapon key carry information to the next level;
• hardcoded icons for Smooth Doom;
• blocks: don't draw placeholder icon;
• wheel: increased max multiwheel threshold in settings;
• wheel: draw the selected weapon/item above others for clarity;