MAJOR CHANGE: moved sql_lib() from M::Base to new M::Role::Query; moved all M::R::QueryFormatter methods into M::R::Query; removed sql_lib() from ScriptHelpers - using new M::Roles::Query method; removed lims_dbix() from M::Base - now loaded via M::Role::DBIxSimple on demand; moved get_sql_with_constraint() from M::R::DBIxSimple to M::R::Query; method gets dbh from lims_db not lims_dbix in M::LabSection::update_lab_sections() & M::Specimen::update_specimens(); added elements() to Local::QueryLibrary
excluded exempt nhs number categories from M::Audit::nhs_number_supplied(); changed M::R::DBIxSimple::constraint (Str) to ::constraints(Array) to handle multiple constraints; included a skip list in mail_reports.pl; placed constraints list in forms in toggleviw container
screening functions (new & edit; not yet auto-screen at new request) display outcome summary of which lab-tests requested & which (if any) skipped; fixed many *.t issues caused by adding patient notes form to report page - made 'report' a multi-form page
patched C::Screen::edit() to use same screening function as used at initial screen; fixed a lot of failing tests due to new screening functions - report_status.t still failing
changed Dispatch param from _whoami to Class; removed do_ajax from unprotected runmodes, added ajax class to unprotected classes; bugfix to LIMS::_check_portal_referral() - added user profile to list of requirements; increased test count on column_types.t
