FIX: issue #258 (Checking for double #include doesn't take path into account)
FIX: issue #258 (Checking for double #include doesn't take path into account)

Conflicts:
	red-system/loader.r

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