Merge pull request #74 from ravedragon/master

fixed item error
Fix some bugs related to item menu
Fix issue where new Effects aren't able to be loaded from file
Merge branch 'master' of github.com:rpgboss/rpgboss
roll version
fix even more menu bugs
roll version
Add collective work clause
Persist player location.
Add support for serializing PersistentState to a save file
Update README.md
Merge pull request #20 from rpgboss/master

update