= 1.2.3 - 24-May-2007
* Added a Rakefile with tasks for testing and installation.
* Removed the install.rb file. Installation is now handled by the Rakefile tasks.
* Minor updates to the README and MANIFEST files.

= 1.2.2 - 4-Feb-2006
* In the last release I accidentally removed the ability to cache nil and
  false.  That ability has been restored.  Thanks go to Brian Buckley for
  the spot.

= 1.2.1 - 2-Feb-2006
* Cache files are now read in binary mode to eliminate issues with Marshal
  and MS Windows.  Thanks go to Brian Buckley for the spot.
* Refactored code base down to about half previous size.  Thanks go to Andrew
  Johnson.
* Some documentation corrections.

= 1.2.0 - 31-Dec-2005
* Added support for memoizing to file rather than memory
* Corresponding changes in the test suite and example programs

= 1.1.0 - 20-Oct-2005
* Memoize#memoize now returns the cache (ruby-talk: 160870 and following)
* Memoize#memoize now caches nil and false results
* Corresponding doc and test changes

= 1.0.0 - 9-Sep-2005
* Initial release