Merge pull request #108 from Sebsebeleb/master

improvements to spellbook and some general fixes
fix lua error on drowning
describe egos in tooltips (resistances commented out)
fixes: bard skills; assasin & shadowdancer not giving bonuses; class desc
icons for blindness/deafness and summon
update changelog & versioning
Create ShowChatLog.lua
allow userchat
add message log key
update score formatters