patched C::Result::do_export_test_results() to only split $vars{category_id} if var supplied; added specimen type and result summary to export test results function; added specimen to unscreened.pl script

patched new_national_code.pl to use other CfH data files if location not found in hospital or practice lists; patched activity_data.pl to set Outreach requests to ST code

fixed ErrorHandler to work with dev server - needed content returning not printing so CGI::App handled it properly; moved html content to errorhandler.tt template

combined weekly/new_referral_source.pl & daily/new_referrers.pl into new_national_code.pl, using new table automatically populated via triggers