make the mutable 'Stats' based on 'Stat' internally
make the mutable 'Stats' based on 'Stat' internally

darcs-hash:20070523034801-1a7c6-78d1e1091d19a999b4468ea3f50e944b06c6b6dd

jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc