added optional date and diagnostic category constraints to results export

new function to add gross description from worklist

bugfix to C::Report::update_report() to catch submission of revision option without change of diagnosis

modified C::Patient::update_patient() to accept change of patient details for single records - NOT IMPLEMENTED YET - incomplete; patched error in M::Patient::update_patient() return hash; new teaching_cases cron; modified RXPB rules in activity_data cron

replaced internal/external_user_timeout settings with default_user_timeout and created idle_timeout.yml override file

enabled emailing of anonymised reports to non-secure addresses; minor bugfixes

validation for new request - specimen type may trigger missing block_ref error

bugfixes - changed submission of final diagnosis to always require reason for diagnosis change (was optional but missing value caused data commit to die); password_reset() tests for new_passwd_data before using in 'eq' - could be undef due to session deletion

patched C::Result::import_datafile() to check for required lab-test before trying to change request_lab_test status

patched results data import routines to require specific file-types when parsing files for contents

added timestamp to system error page

bugfixes; data import returns info message on successful data match

worklist delete records protected from back-button & resubmission; bugfix to C::ReferralSource::lookup() - only attempts to load 'skip_wrapper' flag if present

patched t/ tests in line with recent app changes

new screen_category table; moved screens 'type' col to category_id; modified all screening terms & screening tests admin functions to accomodate new screen_category table; removed ajax validation from screen description & lab test field_label as these use 2 & 3-col unique keys so can't be validated by AJAX; email reports function uses users secure email address as sender; modifed portal_access function to supply SHA1 hash of current date - so failed login not sent back to portal page without explanation; modified mail_reports.pl to use item names instead of table id accessors