Changed DungeonHelper.exportDungeon() to use Minecraft's NBT tag classes instead of using JNBT. The implementation is actually slightly simpler than our original JNBT version. I also fixed a bug in the way the extremes of the bounding box search were calculated that caused yEnd to have an incorrect value. Exporting works properly now. Confirmed with tests.
DimDoors
Dimensional Doors for Minecraft Adds several items that allow the player to move between and create dimensions
see the MC forum topic for details