1.22

* RT#59271: Fix for the same namespace repeated (thanks to Dagfinn Ilmari Mannsaker for patch)

1.21

* RT#52140: Add missing testing dependancy (thanks to Andreas Koenig for reporting via RT) 

1.20 

* Add ability to specify namespaces that will be used in the new document
* Add ability to force prefixes on attributes
* Switch to Test::XML::Easy for testing

1.00

* First Release to the CPAN