HMRN data collection templates; extended HMRN potential new malignancies function to include known previous diagnoses list; renamed M::HMRN::Data::all_diagnoses() to all_icdo3_diagnoses() & modified for use with M::HMRN::get_previous_diagnoses()}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1098 4177bd82-f056-0410-812d-caef170e3fa0