Bukkit

• Added command logger. (Log every command done or tried to be done by a player)
• Added; Prevent item pickup.
• Added; Prevent snowballs and arrows from hitting the player.
• Shortened imports.
• Rewrote and fixed a lot of bugs in the mob-spawn prevention.
• Added: Blaze, Magma Cube, Chicken, Monster/human, Mushroom, Snowman, squid and villager to mobs spawn blacklist.
• Added prevention of taming animals.
• Added Item Spawn prevention. (Prevent an object/item to spawn into the world)(currently only supports to disable this, no blacklist)
• Added prevention of several Powered Creepers causes.
• Fixed spawn bug.
• Fixed endermen griefing.
• Fixed a memory bug.
• Added an additional statement and fixed Entity death.
• Fixed and changed location for prevention of Experience Orbs.
• Added prevention for drops when an entity dies.
• Added prevention of entity combust. (this event runs on another priority, makes it being the first event called)
• Added some extra statements to certain old coded features.
• Added complete prevention for health regeneration.
• Added blacklist prevention for health generation.
• Added prevention of game mode changing.
• Added more config nodes. (Version 2.30 strongly requires a config re-generation!)

I haven't had the time to test all the new features, please report to me if you find an issue.