record summary displays previous doi warning if previous doi but not current record; outreach questionnaire fixes; new diagnosis validation - submission of sub-category requires icdo3
patched make_chart() method to eval makeChart() to capture error for log; edit imaging data; moved staging data tt block to nodal & extranodal tt for sharing
added function to notify admin of system error generated by LIMS::error(); C::Roles::RecordHandler::get_previous_cases() skips non-matching nhs_numbers if current request has an nhs_number
