modified M::Audit::turnaround_times() and more chart functions to accept arrayref of screening terms; modified C::R::SessionStore::session_store() request_options data format (was incorrect format); bugfixes to M::Roles::RequestUpdate::do_trial_number_update(), MRRU::do_request_options_update(), MRRU::do_request_consent_update() and M::Patient::merge_patients()

patched search constraints error - date_before/after -> all_before/after + validation definition; changed some instances of User::get_user_details to User::get_user_by_username in controllers; added 'query_args' to get_page() js function in date_constraints.tt to allow eg sort_by params to be passed to date constraint constructors

modified diagnosis revisions to group by reviser & reporter

patched turnaround times audit to tests for use of authorisation stage; added one_month to constraint types

moved M::Chart::get_sql_with_constraint() and _get_search_constraints() to M::Roles::DBIxSimple for code shart between M::Chart and M::Audit; replaced C::Chart::_get_chart_title() function with __PACKAGE__constraint_title, set in M::Roles::DBIxSimple::_set_chart_constraints()

refactored date constraints templates for charts & audit/stats functions into new date_constraints.tt + form2queryparam.js files; new audit functions

new Audit controller, model & templates