HPCC-11235 Make timeout etc. on SOAPCALL more dynamic

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #5702 from ghalliday/issue11235

HPCC-11235 Make timeout etc. on SOAPCALL more dynamic

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>