------ - fix issue where appointment creator may lose the site id for funcs run from the django console on a multisite installation (edc-appointment, edc-visit-schedule, edc-sites)
0.5.43
------ - method to calculated relative previous appt with a subject visit report (edc_appointment)
0.5.42
------ - fix where scheduled crf collection incorrectly combines crfs_unscheduled + crfs_prn instead of crfs + crfs_prn (edc-metadata)
0.5.41
------ - docs (edc) - add 'appt_status' property to form validation, trivial (edc-appointment)
0.5.40
------ - remove `edc_reference` from setup.cfg - fix additional exceptions not caught in modelform (edc-appointment, edc-visit-tracking) - fix prn metadata not updating (edc-metadata) - refactor form collections in visit class (edc-visit-tracking)
0.5.39
------ - fix minor typos in fieldsets (edc-lab-results) - catch exception into form when unscheduled appointment not allowed (edc-appointment) - remove additional refs to edc_reference in tests