Fixing bug #1698. Checking if columns list is really different change it

git-svn-id: http://chianti.ucsd.edu/svn@31082 0ecc0d97-ab19-0410-9704-bfe1a75892f5
Fixing bug #1698. Checking if columns list is really different to change it

git-svn-id: http://chianti.ucsd.edu/svn@31083 0ecc0d97-ab19-0410-9704-bfe1a75892f5