Merge pull request #5 from rwbarton/master

fix spellbooks
Fix colours
Make the initial scores file more authentic
Revert "Make the initial scores file more authentic"

This seems to break scores.

This reverts commit 934607ff8e71372a5a9f64b586754b913e5a5c18.
Fix -2-or-lower-enchanted weapons instakilling everything

I'm going to claim this is what random(n) did in Turbo C.
Prove me wrong!