automatically set required tags)
* Descriptive errors, like ``pyderasn.DecodeError: UTCTime
(tbsCertificate:validity:notAfter:utcTime) (at 328) invalid UTCTime format``
-* ``__slots__``, ``copy.copy()``, ``pickle`` friendliness
+* ``__slots__``, ``copy.copy()``, ``pickle``, `Cython <https://cython.org/>`__
+ friendliness
* Could be significantly faster and have lower memory usage
For example parsing of CACert.org's CRL (8.48 MiB) on FreeBSD 12.0
amd64, Intel Core i5-6200U 2.3 GHz machine, Python 3.5.5/2.7.15: