20 April 2010: release 0.9.3
Bugfixes by Jonathan Niehof:
- fix memory leak in purger
- fix bug in the code where the purger deletes multiple entries
- when opening the database fails, retry a couple of times

New feature by Jonathan Niehof:
- added option --force to purger to delete all entries


2007: release 0.9.2
Version 0.9.2 was the first public release
