2013-06-12 1.2 validate() now returns what it checked, like
Params::Validate::validate
2012-11-26 1.13 Changes in D::D::D to cope with incompatible
changes in new Data::Domain
2011-09-02 1.12 Bugfix Documenter.pm to replace *all* underscores
in function names
2011-09-01 1.11 Reduce dependency versions (this is mostly for my
employer's benefit - no functional changes)
2011-08-22 1.1 Make *_of self-documenting
2011-08-17 1.00 Initial release