Add support for `count` endpoint#11

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mknorps wants to merge 6 commits intopacketloop:support-es-7from

ifr-ds:support-es-7

Commits on Jan 8, 2020

ADD count endpoint connection
Maria Knorps
committed
simplified query handling for count endpoint
mknorps
committed
expose mkCount
mknorps
committed

Commits on Jan 9, 2020

Commits on Feb 4, 2020

Cleanup of description and remove unused function
mknorps
committed