Validate_Finance_CreditCard
===========================

Validation class for credit cards. Validates card numbers according to the [Luhn algorithm](http://en.wikipedia.org/wiki/Luhn_algorithm) and according to card type. Also validates CVV/CID/CSC numbers according to card type.

Supported card types are:
 * MasterCard
 * Visa
 * American Express
 * Diners Club
 * Carte Blanche
 * Discover
 * JCB
 * EnRoute
 * Eurocard
