restored request_lab_test_history function in M::R::ReportUpdate::_do_additional_tests(); DevelCycle only called for dev server (was excluded only for fastcgi); new additional_test.t}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1552 4177bd82-f056-0410-812d-caef170e3fa0