Changing to decorators and private variables.
adding roles to readme, feel free to reject this pr
Updating the kivy requirement
Merge pull request #2 from JeromeLefebvre/master

Updating the kivy requirement
Merge pull request #1 from ChristinaLK/master

adding preliminary roles to readme
Merge branch 'master' of https://github.com/BernhardKonrad/SetGame