Merged in kidmose/pywhois/feature/fix-test_parser-keys_to_test (pull request #34)
test_parser.py: Respect keys_to_test/Fix error in 7bec7a730d69
{"domain_name": "allegro.pl", "expiration_date": "2018-10-26 15:00:00", "updated_date": ["2017-10-17 07:01:25", "2017-03-27 00:00:00"], "creation_date": ["1999-10-27 13:00:00", "2014-06-02 23:44:16"], "status": null}