0.87 - September 14, 2009
  - Add Class::ErrorHandler to the prereqs list
  - Update documentation

0.86 - July 4th 2006
  - Add the Changes file to the distribution
  - register_url method
  - bump version to 4
  - prepare to support "unconfirmed users"
  - Use ExtUtils::MakeMaker instead of Module::Build

0.85 - July 21th 2005
  - New API, works with http://www.bitcard.org/

0.50 - July 3rd 2004
  - Initial release