Don't include the bosses in default monster list.
Add fire parameter to arrow, and fix arrow spread.

Still hurts the player occasionally :\
Remove some crufty old code.
More cruft removal.
Remove some hopefully unnecessary inventory updates.
Undeprecate all the things! (Warning cleanup)

Yeah, maybe one day Magic won't work with "magic number" data values
and entity names… but not today.
Mass space->tab reformatting.