Copyright 2009, 2010, 2011, 2012 Kevin Ryde
This file is part of PodLinkCheck.
PodLinkCheck is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3, or (at your option) any
later version.
PodLinkCheck is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with PodLinkCheck.  If not, see <http://www.gnu.org/licenses/>.
Version 10, November 2012
    - tests add some diagnostics
Version 9, June 2012
    - avoid warnings from dangling symlinks
    - document $plc->check_tree()
Version 8, June 2011
    - fix stray Sort::Key::Natural meant to be only optional
Version 7, February 2011
    - fix Makefile.PL for perl 5.6
Version 6, October 2010
    - more eval protection on CPAN::SQLite, mainly for cpantesters probably
Version 5, September 2010
    - test manifest only as an author test
Version 4, May 2010
    - allow refs to bullet and number items
    - check manpages by plain man run if --location not available
Version 3, May 2010
    - trap dodgy CPANPLUS errors possibly relating to sqlite
Version 2, May 2010
    - trap CPAN.pm errors like unwritable ~/.cpan
    - tests don't fail on spurious CPANPLUS warnings
Version 1, April 2010
    - the first version