Added verification for empty results and handling for those cases. Also solves issue15 as we now encode the range into Zinc
Added verification for empty results and handling for those cases.
Also solves issue15 as we now encode the range into Zinc

This will closes #15, closes #16

Signed-off-by: Christian Tremblay <31ac1ca2e4859489ad6997067c1b3a4264642859@servisys.com>

ChristianTremblay/pyhaystack,vrtsystems/pyhaystack,ChristianTremblay/pyhaystack