additional dependencies for running the tests
additional dependencies for running the tests

I was running through the README and I found that I needed a couple more packages in order to run the tests.
aibon/django-stripe-payments,jawed123/django-stripe-payments,ZeevG/django-stripe-payments,alexhayes/django-stripe-payments,boxysean/django-stripe-payments,jawed123/django-stripe-payments,pinax/django-stripe-payments,jamespacileo/django-stripe-payments,crehana/django-stripe-payments,ZeevG/django-stripe-payments,boxysean/django-stripe-payments,jamespacileo/django-stripe-payments,alexhayes/django-stripe-payments,aibon/django-stripe-payments,adi-li/django-stripe-payments,crehana/django-stripe-payments,adi-li/django-stripe-payments