fix for submitting a donor chimerism result if patient result is zero; fix for nycris data substituting new-line marker without carriage return

bugfix to bcr-abl data import template where argument '' isn't numeric in subtraction if null entries; hello.tt tests for 'have_online_requests' setting

replaced lab-test sections of auto_screen.yml with db table lookups for consistency with manual screen - changed auto_screen.yml file from href to array to preserve order of rules

added url_base to cgiapp_prerun(), refactored multiple calls to ->query to ; added part_number to storage module; restored 10-digit storage vialId + validation; bugfix to update_storage_vial(), failed validation due to duplicate vialId and old update method didn't do changes_only; added online request form link to guest user hello page; moved token generation from Resources menu() to Role::Resources::create_form_tokens() for sharing between menu() & hello()

completed molecular pcr worksheet functions

admin config for linked lab-tests; added linked lab-test functions to more tests scripts

changed method of determining whether lab test supported by specimen type from lab-section specimen types datamap to lab-test specimen types datamap

update report function now logs edits to all report fields; fixed all broken tests so far

moved _get_auto_screen_data() handling of previous_diagnosis_icdo3 into match_criteria; minor bugfix to auto_screen.t

added ability to consider previous diagnoses to auto-screening function; added patient_id as hidden field to request/add_new.tt for use with auto-screening & previous diagnoses function