V061 / 1.7.2

v0.6.1 - 1.7.2 compatible, fixed cost issue and remove issue
- Track task deleted
- Support only Vault for economy and permissions
- UUID support , world specific use UUID, Allworlds use Playername
- new Admin command : list , show the class and rank info
- new Admin command : debug , set debug mode true/false
- sign use are changed, 2nd line is : <ClassName> for class / rankup  /
rankdown
- /class  remove issue fixed
- cost issue fixed in add and rankup
- warnings: look for the right version of Vault and the permission
plugin for UUID support!
- tested with Vault-1.4.1
- tested with permissionEx
- tested with permissionBukkit-2.4