=head1 VERSION HISTORY
=over 1
=item V0.51
=over 1
=item Fixed C<to_hash()> that the change to iterative tree walking had broken. Same bug as in IPv4 version.
=item Changed address parsing from C<getaddrinfo()> to the simpler C<inet_pton()>. This should also fix the problems on some systems (mostly BSDs and Solaris) where passing a zero port number caused the call to fail.
=back
=item V0.5
=over 1
=item B<Attention: Breaking Change!> C<dump> is called more sensibly C<to_hash> now.
=item Replaced the recursive implementations of C<lookup()> and C<walk()> with
iterative ones for about a 30% speed increase.
=item Fixed C<lookup_vec()>
=item Moved version history to its own POD file
=back
=item v0.41 Fixed prerequisite list
=item v0.4 First CPAN release
=back