Hash reference of card types; keys are card types, values are the exact strings
passed to the process_payment function
-=item paybatch
+=cut
-Unique transaction identifier (prevents multiple charges), passed to the
-process_payment function
+#this doesn't actually work yet
+#
+#=item paybatch
+#
+#Unique transaction identifier (prevents multiple charges), passed to the
+#process_payment function
=back
Card expiration year
-=item paybatch
+=cut
-Unique transaction identifier, returned from the payment_info function.
-Prevents multiple charges.
+#this doesn't actually work yet
+#
+#=item paybatch
+#
+#Unique transaction identifier, returned from the payment_info function.
+#Prevents multiple charges.
=back