Bukkit

• Updated for 1.3.x and implemented all features
• Updated for 1.2
• Fixed a message bug when a player get banned by the console.
• Now allows ' in messages, so you can write for example: you're.
• Add custom messages for players that join the server for the first time.
• Fixed a really annoying bug that broke the plugin on start, because of a bad import. :|
• Added Vault support.

I don't know.