Shopify/offsite_payments — pull request #92 by girasquid (2014-11-12 15:35:09+00:00)
Title: Handle PayuIn notifications missing trailing 0 on two digit amounts

@aprofeit @j-mutter /cc @Shopify/payments

The fix for PayU's floating point problems caused problems because it also changed the format of `63.0` in notifications to be `63.00` - which made checksums break. This change goes back to using their original value for notification checksums, but leaves `gross` as the reformatted value.