Fix row number by duplication
Merge branch 'master' of github.com:molgenis/molgenis

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
#
# Lines starting with '#' will be ignored, and an empty message aborts
# the commit.
Merge pull request #2120 from jjettenn/master

Fix row number by duplication