Merge pull request #59 from SenseiKiwi/master

Fixed MCedit 1.7.1 Support
Changes to dimHelper

replaced dimHelper.dimList.get with dimHelper.instance.getDimData
added functions to make working with rifts easier
Merge remote-tracking branch 'upstream/master'
Added Stairs to Core Schematics

Copied simpleStairsUp and simpleStairsDown into the core schematics
folder. It's likely they'll be useful for testing in the future. To be
clear, I didn't remove them from the regular "ruins" folder, just copied
them.