Log Message:
NSD 3.2.15

Features:

* Support for ILNP RR types: NID, L32, L64, LP (RFC6742).
* RRL, --enable-ratelimit at configure time and config options.
* TSIG initialization only fails when there is no digest found at all.

Bugfixes:

* Bugfix #478: Declaration after statement (for gcc 2.95).
* Bugfix #483: Better error message in case of TSIG error.
* Bugfix #485: TTL should not be greater than 2^31 - 1.
* Fix RCODE when CNAME loop final answer does not exist, should
  return NXDOMAIN as stated by RFC 6604.
* Fix --disable-full-prehash bug, where after multiple incoming
  IXFRs, NSEC3 can be removed unjustified.