Log message:
Update ruby-dnsruby to 1.58.0.

## v1.58.0

* Add TCP pipelining (reusing a single TCP connection for multiple requests).
* Enhance zone reading, including reading data from a string.
* Add add_answer! method for adding duplicate answers, as needed for an AXFR \ 
response.
* Add support for GPOS and NXT resource records.
* Test cleanup, including removal of use of Nominet servers, soak_test cleanup.
* Refactorings: MessageDecoder, Resolv, Resolver (part).
* Fix zone reader adding unwanted dot to relative hostnames being converted to \ 
absolute.
* Fix default access for tsig options in Resolver.
* Fix ZoneTransfer not to use deprecated SingleResolver.
* Fix Resolver bug in parameter to create_tsig_options.
* Fix tests to always use working copy and not gem.

Log message:
Update ruby-dnsruby to 1.57.0.

## v1.57.0

* Add query_raw method as alias for send_plain_message, with option to raise or \ 
return error.
* Fixed a bug in RR hash calculation where TTL should have been ignored but wasn't.
* Add support for (obsolete) GPOS resource record type.
* Tweak Travis CI configuration.
* Fix zone reader for case where a line contains whitespace preceding a comment.
* Add post install message.
* Improve README.
* Moved content of NEWS to RELEASE_NOTES.md.
* Use git ls-files now to determine files for inclusion in gem.

## v1.56.0

* Drop support for Ruby 1.8, using lambda -> and hash 'key: value' notations.
* First release since the move from Rubyforge to Github \ 
(https://github.com/alexdalitz/dnsruby).
* Add EDNS client subnet support.
* Relocate CodeMapper subclasses, Resolv, RR, and RRSet classes.
* Add Travis CI and coveralls integration.
* Improve Google IPV6 support.
* Convert some file names to snake case.
* Remove trailing whitespace from lines, and ensure that comments have space \ 
between '#' and text.
* Restore test success when running under JRuby.
* Disabled attempt to connect to Nominet servers, which are no longer available.
* Convert from test/unit to minitest/autorun to support Ruby 2.1+.
* Remove setup.rb.
* Other minor refactoring and improvements to production code, test code, and \ 
documentation.

Log message:
Update ruby-dnsruby to 1.54.

IPv6 support added.

Log message:
Drop superfluous PKG_DESTDIR_SUPPORT, "user-destdir" is default these days.

Log message:
dnsruby-1.53:

o Validation routine fixes
o Ruby 1.9 fixes
o Recursor fixes
o IPv4 Regex fixes
o Fixes for A/PTR lookups with IP-like domain name
o TXT and SSHFP processing fixes
o Default retry parameters in Resolver more sensible

Log message:
dnsruby-1.52:

* TXT record presentation format parsing fixes.
* NAPTR record presentation format parsing fixes.
* SEP flag no longer required (for use with Combined Signing Key).
* Validation routines improved.
* Recursor now handles hints and nameservers better.
* Various bug fixes.

Log message:
* Fixes for dynamic updates and zone transfers.
* Fixes for CERT and TSIG, DNAME and RRSet.
* Fixes for RP records.
* Some handling of priming responses with no additional section.
* Validation disabled for the DNS class

Log message:
Update net/ruby-dnsruby to 1.50.

Changes:
------------------------------------------------------------------------
r432 | alexd | 2010-09-15 10:06:11 +0100 (Wed, 15 Sep 2010) | 1 line

Removing trailing SOA record from returned AXFR data
------------------------------------------------------------------------
r431 | alexd | 2010-09-15 10:05:40 +0100 (Wed, 15 Sep 2010) | 1 line

Making RRs comparable - they now sort by owner name then type then rdata
------------------------------------------------------------------------
r430 | alexd | 2010-09-02 14:48:18 +0100 (Thu, 02 Sep 2010) | 1 line

Suppress unnecessary fatal error
------------------------------------------------------------------------
r429 | alexd | 2010-08-26 11:28:43 +0100 (Thu, 26 Aug 2010) | 1 line

Handle exceptions when closing potentially borked sockets
------------------------------------------------------------------------
r428 | alexd | 2010-08-25 16:16:39 +0100 (Wed, 25 Aug 2010) | 1 line

Synchronising access properly - rubyforge 28504

Log message:
* Use lang/ruby/gem.mk instead of misc/rubygems/rubygem.mk.
* Remove default value of GEM_BUILD.
* Ajust new ruby package's framework.

Log message:
dnsruby-1.49:

* Socket memory leak plugged in select_thread.
* Fix OSX errors for TCP.
* Fix ZoneReader truncation for heavily escaped TXT records