New since 1.13.0:
CSYNC RRs are now supported.
dns/message.py (make_query): Setting any value which implies
EDNS will turn on EDNS if 'use_edns' has not been specified.
Bugs fixed since 1.13.0:
TSIG signature algorithm setting was broken by the Python 2
and Python 3 code line merge.
A bug in the LOC RR destroyed N/S and E/W distinctions within
a degree of the equator or prime merdian respectively.
Misc. fixes to deal with fallout from the Python 2 & 3 merge.
[issue #156], [issue #157], [issue #158], [issue #159],
[issue #160].
Running with python optimization on caused issues when
stripped docstrings were referenced. [issue #154]
dns.zone.from_text() erroneously required the zone to be provided.
[issue #153]