new_contents: #
  # log_event.py <Peter.Bienstman@UGent.be>
  #
  
  class EventCodes(object):
  
      """Codes to identify event types."""
  
      STARTED_PROGRAM = 1
      STOPPED_PROGRAM = 2
      STARTED_SCHEDULER = 3
      LOADED_DATABASE = 4
      SAVED_DATABASE = 5
      ADDED_TAG = 6
      UPDATED_TAG = 7
      DELETED_TAG = 8
      ADDED_FACT = 9
      UPDATED_FACT = 10
      DELETED_FACT = 11
      ADDED_CARD = 12
      UPDATED_CARD = 13
      DELETED_CARD = 14
      ADDED_CARD_TYPE = 15
      UPDATED_CARD_TYPE = 16
      DELETED_CARD_TYPE = 17
      REPETITION = 18
      ADDED_MEDIA = 19
      DELETED_MEDIA = 20
  
  
  class LogEvent(object):
  
      pass
  
subject: Add missing file.