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()
