moved RequestInitialScreen object creation to top of transaction in L::Model::Screen::do_initial_screen() to prevent auto-report crashing when trying to load object further down in sub _diagnosis_confirmation_required {; added 'digit' filter to NHS number validation to remove internal spaces}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1351 4177bd82-f056-0410-812d-caef170e3fa0