code: func (m *Manager) GetSeeObjects(username string) (seeObjects []See, err error) {
  	qry := bson.M{"username": username}
  	err = m.collection.Find(qry).Sort("-versions.creationdate").All(&seeObjects)
  	if seeObjects == nil {
  		seeObjects = []See{}
  	}
  	return
  }
docs: // GetSeeObjects returns all see object for a specific username