go version go1.5.3 darwin/amd64 git sha of code: 7070b4d878baad57dcc8da80080dd293aa46cabd Darwin Friedels-Mac-Pro.local 15.0.0 Darwin Kernel Version 15.0.0: Wed Aug 26 16:57:32 PDT 2015; root:xnu-3247.1.106~1/RELEASE_X86_64 x86_64 built on Mon Feb 8 11:06:25 CET 2016