* Added integration class (for foreign plugins).
* Math utilities for unit conversion (ticks and milliseconds).
* Bukkit-Scheduler API (Thread-Safe).
* Bukkit-Thread-Problem Fix (You could call Bukkit-methods only in the main thread).
* Added Exception-System for catching runtime exceptions (like a command sender doesn't have enough permissions to do something).
* Command-System for commands like /command help. They can be customized at a high level.
* Added Metrics-Support
* Added Tag-Utility for Item-Tags and Player-Names over their head.
* Equipment Utitlity for get and set mob equipment.
* Updater for installing and updating plugins (also the own one).