Changelog:
==========
-Re-expose ServiceInfo._set_properties for backwards compat
-Correct nsec record writing
-Timestamps missing double precision
-Match cython version for dev deps to build deps
-Correct handling of IPv6 addresses with scope_id in ServiceInfo
-Speed up unpacking TXT record data in ServiceInfo
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
