FIX: issue #656 (Interpreter refuses +1 as integer)
FIX: issue #656 (Interpreter refuses +1 as integer)

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