v0.2.3 - better state storage

Now follows XDG specifications for storing config data, should make it easier to start using the library for the first time. If you want to migrate your old config:

mkdir -p ~/.config/python-cozify
chmod 700 ~/.config/python-cozify
mv ~/.config/python-cozify.cfg ~/.config/python-cozify/python-cozify.cfg