Revision history for Algorithm-AhoCorasick

0.01    Thu Feb  1 16:08:17 CET 2007
        First version.

0.02	Mon Jan 28 20:30:33 CET 2008
	Skipping tests using Unicode strings on old perls (they crash
	5.6.2).

0.03	Fri Jul 16 20:57:04 CEST 2010
	Using weak references to avoid leaking memory (bug found and
	fixed by Daniel Kimsey, http://dekimsey.myopenid.com/ ).