Adding changes to Validation::alphaNumeric(). Added doc comment to Validation::alphaNumeric() and Validation::between()
Adding changes to Validation::alphaNumeric().
Added doc comment to Validation::alphaNumeric() and Validation::between()

git-svn-id: d6601dcf5e7dd084c06453dcde34b6bc00f2d257@3835 3807eeeb-6ff5-0310-8944-8be069107fe0

marciotrindade/cake_on_rails,marciotrindade/cake_on_rails