Version tick, cleaned out old upgrade code.
Version tick to 0.6.0. Beta 1, here we come!
Corrected wrong visual effect on save animation.
If the character is a foe, they can now be killed... sort of.

They'll actually get banished back to the shrine, with appropriate visual effects, of course. Fixes #41, closes #16 (because now resurrect should never be needed under any circumstances).