0.20  Mon, 31 Jul 2017 13:17:30 +0100
  * Use cleaner wrap_op_checker() API to control op checking.
  * Use core's Perl_check_t typedef instead of inventing our own.

0.19  Sat, 10 Sep 2011 20:10:00 +0100
  * Fix hooking protocol, which was broken in a way that could result in losing
    checkers hooked in by other modules.
  * Add MYMETA.{json,yml} to MANIFEST.SKIP and .gitignore.
  * New repository location for release by Zefram.

0.18  Mon, 06 Jul 2009 14:39:25 +0200
  * Require ExtUtils::Depends 0.302, which fixes linking problems on strawberry
    perl.

0.17  Sun, 19 Apr 2009 10:06:40 +0200
  * Put the actual repository url in META.yml. D'OH!

0.16  Sun, 19 Apr 2009 09:53:09 +0200
  * Explicitly declare testing dependency on Test::More (Closes RT#45133).
  * Specify bugtracker and repository urls in META.yml.
  * Upgrade ppport.h from 3.14_02 to 3.17.

0.15  Tue, 11 Nov 2008 18:21:05 +0100
  * Require perl 5.8.1.

0.14  Sun, 09 Nov 2008 22:22:15 +0100
  * Tell MakeMaker which symbols we'd like to export. Hopefully this will make
    linking against us work on Win32.

0.13  Sun, 09 Nov 2008 03:36:27 +0100
  * Try to not dereference NULL.

0.12  Sun, 19 Oct 2008 08:39:30 +0200
  * Use ppport.h to regain 5.6 compatibility.

0.11  Thu, 16 Oct 2008 05:36:23 +0200
  * Allow removal of callbacks.

0.10  Wed, 15 Oct 2008 23:22:25 +0200
  * Allow passing userdata to callbacks.

0.03  Fri, 03 Oct 2008 08:07:26 +0200
  * Don't use Perl_check_t to be more portable.

0.02  Thu, 02 Oct 2008 13:15:13 +0200
  * Ship inc/ by not ignoring it in MANIFEST.SKIP.

0.01  Wed, 01 Oct 2008 11:56:01 +0200
  * Initial release.