HPCC-10000 Ensure hash values are converted to integers

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #4823 from ghalliday/issue10000

HPCC-10000 Ensure hash values are converted to integers

Reviewed-By: Jamie Noss <james.noss@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>