Repository for posterity
Original code made by Alan Hadleys and shared under GPL on his now down website.
Code found on this repository is shared by Tom Trebisky on http://199.104.150.52/minerals/macro/stacking.html (26/08/2011)
Compiled version found here: https://combinezp.software.informer.com/download/
Version: 1.0 (x86)
Date update: Jan 27, 2012
File name: combinezp.msi