replaced results summary requesting of additional tests from additional_tests.yml to database tables - same as diagnosis generated tests; new static view results summary additional tests; moved auto-expand panels from yml to lab_sections table; redrafted additional_tests.t to work with changes to diagnosis & results summary requesting new tests
removed no warnings "XML::Simple" - caused error in XML::Simple < 2.21, replaced with remove_undef_values() sub and grepping only defined values in hash generation