= 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