beta 7 WIP h

improved AI and fixed a few glaring AI bugs. most notably AI was NOT
ignoring evade like it was supposed to :o
added a SECRET skill for [REDACTED] with some special properties and
behavior including a callback ran at end of turn.
some attempts and salvaging older save files
improved reset_classes function further
various minor fixes and improvements
minor fix

fixed a nasty recursion problem
added some stuff to the readme.