Change some boolean ints to bools
Stop some damage-over-time effects from preventing later ones
Dying now actually puts PCs into afterlife state.
Make petrification into a short-lived spell that kills when it runs out.
Fix cast type of money_t in list_commission_item()
Include gold and cash as keywords for drop-give-plant
Fixes such as those in issue 195

Converting to bool and fixing braces
Merge pull request #292 from mikeclemson/fix-artisan-money-casting

Fix cast type of money_t in list_commission_item()
Fix aff_index references affecting NPC casting
Calm spell is now a room effect usable by good knights
Added spell message for room
Properly handle rooms that have multiple affs
Merge pull request #282 from mikeclemson/make-knight-calm-room-affect

Make knight calm room affect
High INT no longer penalizes practice levels
Merge pull request #290 from mikeclemson/include-gold-cash-as-keywords-for-drop-give-plant

Include gold cash as keywords for drop give plant
Merge pull request #283 from mikeclemson/fix-mage-mobiles-attacking-twice-per-tick

Fixes such as those in issue 195
Merge pull request #297 from mikeclemson/balance-int-contribution-to-practice

High INT no longer penalizes practice levels
Remove exp gain from killing something by petrification
Removes a pesky extra space in area stasis message
Statues made by petrify now weigh more and don't decay