3.9.3:
New Features:
* Again works from 1.2.5 through 1.6.2
* you can now choose to have Team Rating or a Solo Rating (limited atm)

Fixes:
* Fix for some messages
* Fix for NPE on sign clicks in waitrooms

3.9.2:
New Features:
* Announcements: Worlds can now be specified for announcements.  world=<world name>
* Improved messages when joining
* An arena is now chosen automatically when a player doesnt specify (this makes waitrooms act like expected by most people)

Fixes:
* Essentials: Fix for saving/restoring flight and gamemode