recompile faster skein in 8.23-r1 yescryptR32 support in 8.21-r14
https://github.com/nemosminer/ccminer-KlausT-8.23-mod-r1

https://github.com/nemosminer/ccminer-KlausT-8.21-mod-r14

recompile with vs 2015 and cuda 9.2 

Original compile was 2017 and cuda 10
