Update Arena to support proper team sizes and RBGs, not renaming so existing applications don't break.
Added and updated character profile field changes for Mists of Pandaria.
Added Challenge API to grab realm and region challenge mode leaderboards.
Added some more characters that break signed requests unless they are not urldecoded.
Increased timeout to 15 seconds to accommodate occasional EU API hiccups.
Add Challenge Mode and Rated Battleground Leaderboards to readme.
Merge branch 'master' of github.com:chaud/PHP-WowApi into chaud-master