Update:
I have not worked on this plugin for ages. Which means I haven't had the time to add support for the new node-based material system introduced in Cinema4D. Because of this I am provided the plugin here, free of charge, for anyone who still might take advantage of its feature set.
The latest version (available for download at bottom of first post in this thread) should work on R17 - R21. I haven't tested S22, since not available to me, so feel free to provide feedback if it does.
It definitely does not work on R16 and previous, and I do not have any plans to spend time in making it work in those versions of Cinema4D.
There is no documentation available, except for the information provided in this thread.
If anyone would be interested in providing detailed documentation, be it written or as a video tutorial, feel free to provide a link here.
PS. I do want to keep this plugin exclusive to C4DCafé. As such, please do not distribute or upload the plugin anywhere else. Please respect the work of others, and don't claim credit for things you snatched somewhere.