140am/Paython — pull request #2 by AdamJacobMuller (2013-04-12 00:12:16+00:00)
Title: handle requests being poisoned by earlier request variable settings marginally better

add a "delete" method to the PostGateway class to explicitly remove keys from the REQUEST_DICT

handle unknown AVS response codes better, simply set avs-code-message to 'Unknown'