Bukkit

-World switch logging
-Gamemode switch logging
-Death logging
-In-Game changelog viewer
-Primitive API (will be optimized!)
-JSONAPI methods
-Autocleaner completed (wrongly included in 1.2.1)
-"command-who" command completed (wrongly included in 1.2.1)
-Player info command removed (wrongly included in 1.2.1)
Statistics command added
-Compatibility for Vault permissions added
-Configuration: Option added to turn multitasking on and off
-Apperantly reduced CPU usage

As I'm not a robot, this plugin could contain some bugs. If you see one of them please leave a comment or write a private message to me!