3 These subroutines tell you whether a credit card number is self-consistent --
4 whether the last digit of the number is a valid checksum for the preceding
5 digits. If you additionally want to process the credit card electronically,
6 see Business::OnlinePayment <http://www.420.am/business-onlinepayment/>
8 Original author is Jon Orwant <orwant@tpj.com>, The Perl Journal and MIT
11 Current maintainer is Ivan Kohler <ivan-business-creditcard@420.am>.
12 Please don't bother Jon with emails about this module.
14 Lee Lawrence <LeeL@aspin.co.uk>, Neale Banks <neale@lowendale.com.au> and
15 Max Becker <Max.Becker@firstgate.com> contributed support for additional card
16 types. Lee also contributed a working test.pl.