Fixes first 2 parts of https://github.com/herp-a-derp/Corruption-of-Champions/issues/180 . Also, can configure additional guaranteed XP in Monster.init13Level()
"Load File" correctly prints error messages
fixed very stupid xp bug
Merge pull request #190 from aimozg/master

Fixes first 2 parts of herp-a-derp#180 .Also, can add guaranteed bonus XP in Monster.init13Level()