2010-03-06   2.0   Slightly incompatible re-write

2010-01-09   1.31  Bugfix for 'use constant' in perl 5.10, thanks to
                     Lee Johnson

2009-08-11   1.3   deferred wrapping of modules that aren't yet loaded;
                   wildcards for modules
                 
2006-08-02   1.2   changed how we detect what functions/methods a package
                   defines

2006-07-26   1.1   added ability to wrap inherited subs

2003-11-15   initial release