Revision history for Perl extension Barcode::Code128.

1.00  Fri Mar  5 18:43:06 1999
        - original version; created by h2xs 1.18

1.01  Mon Jul 19 03:06:31 1999
        - Apply bugfix to fix problems where input ends in zeroes

1.10  Tue Oct 26 11:07:10 1999
        - Generate PNG instead of GIF files

1.11  Fri Oct 29 22:26:12 1999
        - Fix bug in test script

2.00  Mon May 28 14:54:21 2001
        - Changes suggested by Lance Held <lheld@nanogen.com>:
          * Add $preferred_code option to encode() to allow user to specify a
            preference of e.g. code B
          * Modify _encodable to not be so eager to switch to code C
        - Make GD optional; support either GIF or PNG (Add gd_image
          and gif methods)
        - Add scale option to gif, png, gd_image
        - Alter gd_image to use options
        - Update diagnostics section to match same sequence they appear in code
        - Add font_align option (courtesy Gavin Brock <gavin.brock@nssmb.com>)
        - Add transparent_text option

2.01  Tue Jul 17 13:07:04 PDT 2007
        - Change AUTOLOAD to not try to call destroy()
          As suggested in http://rt.cpan.org/Public/Bug/Display.html?id=14850

2.20  Tue Mar 29 11:51:38 CDT 2011
        - Fixed tests to avoid failures, upgrade tests to Test::More
          (courtesy Mark A. Stratman <stratman@gmail.com>)
        - Remove conditional support for GIF/PNG as all new versions
          since 2004 of GD should support both

2.21  Mon Sep 24 12:10:29 PDT 2012
        - Redesign tests to use Test::More and to be more tolerant of
          how different versions of GD encode images
          (thanks to Lukas Mueller <lam87@cornell.edu>)
        - Add PREREQ_PM to Makefile.PL