HPCC-10697 - Add support for OUTPUT,MAXSIZE

Add support for MAXSIZE on output to Thor.

Signed-off-by: Jake Smith <jake.smith@lexisnexis.com>
HPCC-10697 - Reword max result size exception
Merge pull request #5502 from jakesmith/hpcc-10697

HPCC-10697 - Add support for OUTPUT,MAXSIZE

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>