Adds Tests to cover empty data results sent to the Serializer

Signed-off-by: Justin Yost <justin@loadsys.com>
Deals with no data being in the record by not returning anything

Closes #6

Signed-off-by: Justin Yost <justin@loadsys.com>
Merge pull request #8 from loadsys/b/deal-with-empty-data

B/deal with empty data