1.21    2012-11-27    Games::SGF::Go's internal ordering of elements
                        changes in perl 5.17, so normalize for testing

1.2     2010-12-09    Bugfix the bugfix

1.1     2010-12-09    Fix bug where only moves were rotated, but not
                        stuff like AE[aa:ee]

1.0     2010-05-15    Initial release