Results 4 issues of Johannes Spielmann

There are actually three things in this pull request: 1. German translations: You can pull this safely, as I am native German. 2. updated README: The README associated with this...

I've been trying to do a preauthorization for a payment. The preauthorization goes through and the response comes back correctly. However, the Paymill API does not return the preauthorization as...

I've refactored the PDT callback functionality into a decorator. This way, one can simply add the @pdt decoration to a view function and handle the PDT callback with custom logic.