Bukkit

Version 3.1.1:

• Made it 1.5.2 compatible.
• Fixed some minor issue.

Version 3.1.0:

• Made it 1.4.6 compatible.
• Added/re-invented a few permissions, please check this page for the list.
• Added/re-invented "/iBlock reload", "/iBlock help" and "/iBlock" commands.
• Added command to remove blocks from the list of banned blocks (place|break).
• Added command to add new blocks to the list of banned blocks (place|break).
• Added option to allow/disallow explosives to destroy blocks.
• Added option to change the iBlock prefix in the configuration file.
• Added disable auto-updating option.

Version 3.0.0:

• Made it 1.4.2 compatible.
• Configuration file layout changed.
• Added entities not able to blow up banned blocks. (TNT, Creepers, etc).
• Added message customization in the configuration file.
• Added kick option in configuration file.
• Added auto-updating.
• Fixed configuration file reloading.
• Posted source on GitHub.

Version 2.3.1:

• Made it 1.3.1 compatible.

Version 2.3.0:

• Added a new permission to allow/disallow the use of water buckets.
• Added a new permission to allow/disallow the use of lava buckets.
• Added auto-config creation.
• Fixed bug: plugin saying the wrong version number on startup.

Version 2.2.0:

• Fixed bug: Blocks you put in: "bannedBlocksPlace" won't be unbreakable too.
• Fixed bug: Blocks you put in: "bannedBlocksBreak" won't be unplacable too.
• New feature: Changed the permissions, 1 to allow breaking of banned blocks, 1 to allow placing of banned blocks. ( iBlock.place & iBlock.break ).
• Change: The configuration file updated too so be sure to replace the old one with the new one!

Version 2.1.1:

• Fixed permission bug with reloading.
• Fixed bug with the block place part of the code.

Version 2.1.0:

• Added the new ability to block the breaking of configured blocks.
• Added new permission: "iBlock.reload" to reload the configuration.

Version 2.0.1:

• Updated to craftbukkit 1.2.4-R1.0

Version 2.0.0:

• Removed the toggle command.
• Added a configuration file (uses block Id's).
• Added a command to reload the configuration file: "/iBlock".
• Fixed the way commands are handled.
• Fixed the old: "BLOCK_PLACE" to the new, updated way: "BlockPlaceEvent".
• Fixed the old: "blockListener" import to the new, updated import: "Listener".
• Updated to the new built-in permission system by Bukkit.
• Fixed the chat colors.
• Cleaned up the code.

Still doesn't support data values.