anchor.diff:  
     @ApiMethod(method: 'POST', path: 'storeGist')
     Future<UuidContainer> storeGist(Mapping map) async {
  -    print('storeGist');
  -
       var database = ae.context.services.db;
       var query = database.query(_GistMapping)..filter('internalId =', map.internalId);
       List result = await query.run().toList();
  
positive.code: 
    @ApiMethod(method: 'POST', path: 'retrieveGist')
    Future<UuidContainer> retrieveGist(UuidContainer id) async {
      print('retrieveGist');
  
      var database = ae.context.services.db;
      var query = database.query(_GistMapping)..filter('internalId =', id);
      List result = await query.run().toList();
  
negative.code: 
    @ApiMethod(method: 'POST', path: 'export', description: 'Store a gist dataset to be retrieved.')
    Future<UuidContainer> export(PadSaveObject data) {
      _GaePadSaveObject record = new _GaePadSaveObject.FromDSO(data);
      String randomUuid = new uuid_tools.Uuid().v4();
      record.uuid = "${_computeSHA1(record)}-$randomUuid";
  