Change History
***************

1.0.2 (2012-12-02)
==================

- Fixed: the fix included in 1.0.1 caused multiple pids to be written
  to the lock file

1.0.1 (2012-11-30)
==================

- Fixed: when there was lock contention, the pid in the lock file was
  lost.

  Thanks to Daniel Moisset reporting the problem and providing a fix
  with tests.

- Added test extra to declare test dependency on ``zope.testing``.

- Using Python's ``doctest`` module instead of depreacted
  ``zope.testing.doctest``.


1.0.0 (2008-10-18)
==================

- Fixed a small bug in error logging.

1.0.0b1 (2007-07-18)
====================

Initial release
