Minor update... third time

SO:

No more bug in Snakepit level

Gonacal... gonacal? Hexagonacal was updated!

Added 2 levels: not actual new level, but Codex of Mixtecs and Dark sky is for Light night

Challenge of Sun updated due Mixtecs, so MapsCoS.xml has it's graphics

Event no more. Nice try, Nash.

Some other bugfixes and tweaks.

and absolutely secretly shhh! moregames screen was updated, but nobody never cared