Revision history for Perl extension Business::SagePay.
0.17  2015-06-17
      - Add billing_agreement for PayPal transactions, thanks @cubabit!

0.16  2015-12-15
      - Bump protocol version.

0.15  2014-12-15
      - Missing pre-req.

0.14  2013-12-17
      - Fixed void_action.
      - Added missing RelatedTxAuthNo for auth_action refunds.
      - Added REPEAT payment action.

0.13  2011-11-15
      - Paypal support. Many thanks to cubabit (Pete Smith)
      - refactor error messages

0.12  Wed Feb 17 2010
      - support 'international maestro' as card type (handled as maestro).

0.11  Tues Feb 16 2010
      - visa debit now sent as DELTA as confirmed by sagepay support.

0.10  Fri Apr 17 2009
      - show debug for 3Dsecure fails

0.09  Fri Apr 17 2009
      - New friendly status codes

0.08  Fri Apr 17 2009
      - Improve debugging
      - Catch more status codes

0.07  Fri Apr 17 2009
      - Fix bad live URI
      - Fix status code/message on authz

0.06  Fri Apr 17 2009
      - Rename to SagePay

0.05  Fri Apr 17 2009
      - Update to support ENV PROTX_DEBUG which will display responses from protx
      - Added cancel action

0.04  Tue Oct 14 2008
      - rewrite

0.03  Wed Jul 22 2005
      - fixed bug parsing responses

0.02  Wed Jun 08 2005
      - Added Deferred and Preauth transactions

0.01  Tue Apr 26 09:50:20 2005
      - original version; created by h2xs 1.23 with options
      -X Business::Protx