Make fsm error messages a bit more explicit
Make fsm error messages a bit more explicit

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

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