It seems this tool has seen more development as part of Khalibloo panel-

Source Code: https://bitbucket.org/Khalibloo/khalibloo-panel/src/master/

Discussion: https://blenderartists.org/t/khalibloo-panel/596208/239

I also updated the base source code to work on Blender 2.79, though there is probably more work in the above project

https://github.com/jeske/BlenderDAZdsfUtils