Revision history for Perl extension Thread::Barrier.
0.300   25 March 2007
    - Incorporated fix suggested by Michael Pomraning for a race condition in
      the exiting code.
    - Added set_threshold() method and _try_release() private method.
    - Deprecated init() method.
    - Added additional wait() tests.
    - Fixed META.yml version.
0.201   1 November 2005
    - Added a META.yml file to replace the autogenerated one.
0.200   1 November 2005
    - Switched to a hash-based implementation for clarity.
    - The wait() method now resets the state after unblocking the waiting
      threads.
    - Fixed init() method to check for barrier-release condition after it
      updates the threshold.
    - Fixed the race condition in t/wait.t and added another variety of test.
0.101   9 March 2003
    - Modified Makefile.PL to break if ithreads not available.
0.100   16 November 2002
        - Initial release.