Update for CraftBukkit 1.5.2 package.
Updated CHANGELOG for 5.5.6
[maven-release-plugin] prepare release 5.5.6
[maven-release-plugin] prepare for next development iteration
Fix link to issue tracker in readme
Be less lazy handling MobSpawnerBlock tags. (Although once again, no one should actually being using this class.)
Don't spam chat when a different type of vector is given to the Selector.
Added some comments to BlockDataTest.testCycle.
Made McRegionReader.getChunkInputStream() throw a DataException instead of returning a null when an ungenerated chunk is encountered.
Add coordinate argument to //chunk command.
Horrible 0-day fix. Super important to upgrade.
Actually just a typo.
Use equalsIgnoreCase to check for perm plugins, and check for GroupManager

Using equalsIgnoreCase fixes a few weird issues with bPerms, and adding GroupManager fixes a metric tonne of issues with GroupManager.. Like it being randomly disabled, it not working, etc.
Update Minecraft Forge compatibility for 1.5.2.
@Deprecated 2 deprecated constructors.
Fixed some warnings.