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.
Remove exp gain from killing something by petrification
Statues made by petrify now weigh more and don't decay
Merge pull request #278 from dlowe-net/slow-petrify

Slow petrify
Vendor thieves no longer steal on special tick
Revert "Vendor thieves no longer steal on special tick"

This reverts commit 437c672f9c073e52b80c0c14c349d23fa31cb56d.
Prevent vendor thieves from stealing in thief() special