Decrease the min supported serrano version to 2.0.16
Decrease the min supported serrano version to 2.0.16

This solves the issue with the exporter not looking for cookies for
progress tracking. The exporter was requiring that version 2.0.16 was
supported but with a minSerranoVersion of 2.0.18 this check was failing.

chop-dbhi/cilantro,chop-dbhi/cilantro,chop-dbhi/cilantro