0.1: svn revision ~21750
2003-05-29

  * Initial release.

0.2: svn revision ~23344
2004-01-21

  * Second release.  Many changes since 0.1.

0.2.1: svn revision >23475
~2004-02-16

  * Since 0.2, there are some classes to support a survey capability,
    and improved unit test coverage.



