cli: Merge pull request #3 from Qard/master
cli: Merge pull request #3 from Qard/master

More descriptive error when job id is left blank on logs command.

jzila/flynn,flynn/flynn,schatt/flynn,josephglanville/flynn,clifff/flynn,tonicbupt/flynn,clifff/flynn,felixrieseberg/flynn,TribeMedia/flynn,pkdevbox/flynn,benbjohnson/flynn,TribeMedia/flynn,josephglanville/flynn,technosophos/flynn,flynn/flynn,GrimDerp/flynn,felixrieseberg/flynn,TribeMedia/flynn,lmars/flynn,TribeMedia/flynn,tonicbupt/flynn,kgrz/flynn,philiplb/flynn,clifff/flynn,josephglanville/flynn,technosophos/flynn,ozum/flynn,whouses/flynn,ozum/flynn,ozum/flynn,GrimDerp/flynn,philiplb/flynn,philiplb/flynn,jzila/flynn,shads196770/flynn,whouses/flynn,technosophos/flynn,lmars/flynn,ozum/flynn,flynn/flynn,jzila/flynn,mubassirhayat/flynn,Brandywine2161/flynn,GrimDerp/flynn,justintung/flynn,mubassirhayat/flynn,pkdevbox/flynn,Brandywine2161/flynn,mubassirhayat/flynn,technosophos/flynn,jzila/flynn,supermario/flynn,rikur/flynn,Brandywine2161/flynn,arekkas/flynn,rikur/flynn,whouses/flynn,josephglanville/flynn,supermario/flynn,whouses/flynn,kgrz/flynn,GrimDerp/flynn,shads196770/flynn,arekkas/flynn,benbjohnson/flynn,schatt/flynn,kgrz/flynn,pkdevbox/flynn,rikur/flynn,philiplb/flynn,rikur/flynn,arekkas/flynn,whouses/flynn,benbjohnson/flynn,kgrz/flynn,pkdevbox/flynn,shutej/flynn,mubassirhayat/flynn,GrimDerp/flynn,jzila/flynn,clifff/flynn,justintung/flynn,philiplb/flynn,benbjohnson/flynn,tonicbupt/flynn,pkdevbox/flynn,shads196770/flynn,rikur/flynn,schatt/flynn,Brandywine2161/flynn,ozum/flynn,whouses/flynn,TribeMedia/flynn,GrimDerp/flynn,shads196770/flynn,shads196770/flynn,supermario/flynn,jzila/flynn,TribeMedia/flynn,lmars/flynn,arekkas/flynn,kgrz/flynn,Brandywine2161/flynn,supermario/flynn,tonicbupt/flynn,flynn/flynn,benbjohnson/flynn,felixrieseberg/flynn,justintung/flynn,josephglanville/flynn,rikur/flynn,clifff/flynn,pkdevbox/flynn,ozum/flynn,justintung/flynn,schatt/flynn,kgrz/flynn,clifff/flynn,justintung/flynn,schatt/flynn,supermario/flynn,flynn/flynn,josephglanville/flynn,justintung/flynn,shads196770/flynn,tonicbupt/flynn,lmars/flynn,benbjohnson/flynn,supermario/flynn,schatt/flynn,felixrieseberg/flynn,felixrieseberg/flynn,lmars/flynn,arekkas/flynn,technosophos/flynn,Brandywine2161/flynn