Setting the colour effect to a negative value breaks the costume appearance

[ashtyboi]

I don't have much to say. This is terrifying. Fix this, please.

Alonzo with a colour effect of -20.

[alessandrito123]

OMG!!!
This is ¿alonzo.exe?

[bh]

Fixed in next release. (Stupid JS doesn't compute mod correctly; it gives a negative remainder for a negative dividend.)