FIX: issue #145 (Literal hex values without letters not accepted)
FIX: issue #145 (Literal hex values without letters not accepted)

vehar/red,NikolayShubenkovProgSchool/red,red-eco/red,NikolayShubenkovProgSchool/red,rheber/red,iArnold/red,iArnold/red,rheber/red,red-eco/red,vehar/red