Provide implementation of sp_version().
Provide implementation of sp_version().

Signed-off-by: Martin Sustrik <4dd6061be1198639e8b05ce4fd5ead7a0dcaa0f4@250bpm.com>

pch957/nanomsg,pch957/nanomsg,yan97ao/nanomsg,krafczyk/nanomsg,pakozm/nanomsg,ttyangf/nanomsg,yan97ao/nanomsg,simplestbest/nanomsg,tempbottle/nanomsg,ttyangf/nanomsg,JackDunaway/featherweight-nanomsg,linearregression/nanomsg,smithed/nanomsg,snikulov/nanomsg,modulexcite/nanomsg,TTimo/nanomsg,hyperfact/nanomsg,TTimo/nanomsg,pakozm/nanomsg,kaostao/nanomsg,potatogim/nanomsg,cosin2008/nanomsg.NET,gdamore/mamomsg,simplestbest/nanomsg,cosin2008/nanomsg.NET,nirs/nanomsg,pch957/nanomsg,featherweight/ftw-kernel-nanomsg,thisco-de/nanomsg,wirebirdlabs/featherweight-nanomsg,potatogim/nanomsg,wirebirdlabs/featherweight-nanomsg,featherweight/ftw-kernel-nanomsg,wfxiang08/nanomsg,nirs/nanomsg,zerotacg/nanomsg,yan97ao/nanomsg,nirs/nanomsg,snikulov/nanomsg,cosin2008/nanomsg.NET,zerotacg/nanomsg,JackDunaway/featherweight-nanomsg,hyperfact/nanomsg,hyperfact/nanomsg,JackDunaway/featherweight-nanomsg,linearregression/nanomsg,reqshark/nanomsg,krafczyk/nanomsg,reqshark/nanomsg,wfxiang08/nanomsg,tempbottle/nanomsg,zerotacg/nanomsg,thisco-de/nanomsg,imp/nanomsg,TTimo/nanomsg,gdamore/mamomsg,reqshark/nanomsg,tempbottle/nanomsg,potatogim/nanomsg,modulexcite/nanomsg,wirebirdlabs/featherweight-nanomsg,linearregression/nanomsg,kaostao/nanomsg,ttyangf/nanomsg,wfxiang08/nanomsg,imp/nanomsg,kaostao/nanomsg,smithed/nanomsg,TTimo/nanomsg,modulexcite/nanomsg,krafczyk/nanomsg,smithed/nanomsg,kaostao/nanomsg,gdamore/mamomsg,smithed/nanomsg,imp/nanomsg,pakozm/nanomsg,ttyangf/nanomsg,simplestbest/nanomsg