@Andy600:
Well, as soon as raw2cdng implements commandline, there would be no problem there. 
Do you still see benefits from raw2cdng, now that resolve added support for regular DNGs from raw2dng?
Selectable file size (12bit), correct white balance, file spanning, 10bit LOG conversion (although this doesn't work for the 50D yet).
I can't quite put my finger on why but I feel Resolve works better with CDNG over DNG even if you use 16bit CDNGs.
DNG support has only just been added to Resolve and maybe it is not yet optimized in the same way as CDNG (even though they are effectively the same thing excluding metadata).
You guys seem to have the same objective in mind and I think you would get there faster by combining forces. I'm not sure about your workflows and coding etc but maybe do what Magic Lantern does and use Bitbucket or Github to let other devs contribute?