1.3.1 - V10 Hotfix

This release should address the major issues reported so far, plus some other stuff uncovered in my own testing.
Thanks for the thorough bug reports @BBBNBBB

Fixes

• #391 - Showstopper error trying to create characters and npcs.
• #392 - A number of showstopper errors trying to roll stats in various ways.
• General standardization regarding use of data., system. and [nothing] when defining dynamic accessors for stats in the code. Used mostly for granting test progress, artha tracking, and help.