Merge pull request #102 from georgebyelas/master

fix header
Merge pull request #103 from georgebyelas/master

unmapped so people understand ;)
added header and footer
fix merge
fix merge 2
fix merge 3
Merge pull request #104 from RoanKanninga/master

Updated header and footer
added also the check that if the variable is there at all
Merge branch 'master' of https://github.com/molgenis/molgenis-compute
Merge pull request #105 from RoanKanninga/master

added also the check that if the variable is there at all
fix footer