0.602   2012-12-13
  * Exceptions in setup callback are now propagated to client
  * Minor doc updates (more coming)

0.601   2012-10-31
  * Bugfix in surge test

0.600   2012-10-09
  * Switch version number format
  * Fix missing dependencies
  * New tests
  * Allow checkouts to be aborted at any time by clients

0.5.1   2012-06-18
  * Initial release