Update acgh-group-test.R
Update acgh-group-test.R

Changed column numbers to column headers for getting the group.calls.
thehyve/heim-Rmodules,thehyve/Rmodules_oncoprint,transmart/Rmodules,baumjamin/Rmodules,baumjamin/Rmodules,cdejonge/Rmodules,thehyve/heim-Rmodules,thehyve/Rmodules_oncoprint,thehyve/Rmodules,wimvanderlinden/Rmodules,UMich-Transmart/Rmodules,thehyve/Rmodules,UMich-Neptune-Transmart/Rmodules,transmart/Rmodules,UMich-Neptune-Transmart/Rmodules,thehyve/Rmodules_oncoprint,transmart/Rmodules,UMich-Transmart/Rmodules,baumjamin/Rmodules,thehyve/heim-Rmodules,thehyve/Rmodules,transmart/Rmodules,wimvanderlinden/Rmodules,cdejonge/Rmodules,UMich-Transmart/Rmodules,baumjamin/Rmodules,UMich-Neptune-Transmart/Rmodules,wimvanderlinden/Rmodules,thehyve/heim-Rmodules,cdejonge/Rmodules,cdejonge/Rmodules,UMich-Transmart/Rmodules,wimvanderlinden/Rmodules,UMich-Neptune-Transmart/Rmodules,thehyve/Rmodules