Handle legacy projects which have an empty slot 0 for the column model (old off-by-one bug)
Handle legacy projects which have an empty slot 0 for the column model (old off-by-one bug)

git-svn-id: 434d687192588585fc4b74a81d202f670dfb77fb@2346 7d457c2a-affb-35e4-300a-418c747d4874

DTL-FAIRData/FAIRifier,DTL-FAIRData/FAIRifier,DTL-FAIRData/FAIRifier,DTL-FAIRData/FAIRifier,DTL-FAIRData/FAIRifier,DTL-FAIRData/FAIRifier