Added silkmoths.
Added wizard tower game mode.

Yeah, my commits are way too big.
Added dark wizard tower to mod list.
Various bugfixes.

As usual, I should really put each individual one into a commit.
Minimized size of raw/init.lua, added some wizard spells.
Various bugfixes.
Bugfixes to make wizard tower fully playable.
Added a bunch of spells to wizards.
Removed errors. Also desperate attempts to make wizards "@".

Beginning to think that any creature whose tile is "@" will show up as a smiley face no matter what in dorf mode.
Fixed spelling error.
Added sanity checking to hackWishAmount.
Removed redundant metatable info for eventTypes table.