Spelunkery

New Features: - Added portal_fluid_immune entity type tag for entities that shouldn't be teleported by Dimensional Tears, includes Endermen, Endermites, the Ender Dragon and boats by default - Added unique sounds for paddling a boat through portal fluid - Added block tag for blocks immune to being picked up with a hammer and chisel, useful for blocks from other mods that should be unobtainable - Added config option (disabled by default) to add an entire ocean of portal fluid to y level zero of the end dimension

Bug Fixes: - forge version should now properly load and have functional loot tables - various stability tweaks and fixes