Changelog update

CHANGELOG.txt

@@ -23,6 +23,8 @@
  - Allow copying item stacks with damage of > Byte.MAX_VALUE. Closes #972
  - Improved output of YAMLProcessor and added support for root-level comments. (for developers!)
  - Removed support for Permissions2/3
+ - Performance improvements
+ - 1.1 compatibility
  Thanks to everyone for their contributions:
  rjwboys, yetanotherx, and GiCodeWarrior
 
@@ -750,4 +752,4 @@ Bukkit users: Minimum build #: 541
 - New adjustable whitelist of usuable blocks.
 
 0.1
-- Initial release.
+- Initial release.