modified msg_contents to allow objects without get_display_name to be included in mapping
modified msg_contents to allow objects without get_display_name to be included in mapping

jamesbeebop/evennia,titeuf87/evennia,titeuf87/evennia,titeuf87/evennia,feend78/evennia,jamesbeebop/evennia,titeuf87/evennia,jamesbeebop/evennia,feend78/evennia,feend78/evennia,feend78/evennia