I modified Benoists fork so that it builds on CS:GO SDK and also filled out the PackageScript so that it's easy to build and use.
Source can be found here:
https://github.com/SlidyBat/sendproxy
Also attached some builds using sm 1.8 and mms 1.10
I tested it out briefly and it seemed to work fine, but let me know if there are any issues.