verifying that preparecqlstatement decouples the user from having to specify the columnfamily name for every execution of a cql query.
makeing serializers idempotent, adding a ut for the same
adding dependencies for querybuilder
Adding a bunch of ut's for the new serializer usecase, additional error checking for idempotency
first checkin for query builder stuff
ut fot querybuilder
 Merge remote-tracking branch 'origin/master' into develop