'Return object data in easily serializeable format'

@property
def serialize(self):

    return {'version': [{'id': self.id, 'event_id': self.event_id, 'event_ver': self.event_ver, 'sessions_ver': self.sessions_ver, 'speakers_ver': self.speakers_ver, 'tracks_ver': self.tracks_ver, 'sponsors_ver': self.sponsors_ver, 'microlocations_ver': self.microlocations_ver}]}
