Changelog for Mixin-ExtraFields

0.005     2007-11-07
          explicit undef for 'id' uses object reference address

0.004     2006-12-11
          greatly improve test coverage, fixing major Drver.pm bugs
          correct behavior of common ids under HashGuts

0.003     2006-12-11
          improve uniqueness of default HashGuts key

0.002     2006-12-10
          some documentation improvements

0.001     2006-12-09
          first release