Basic ideas came from:

Stripe's library: https://github.com/stripe/stripe-python/
Stripe's monospace sample app: https://github.com/stripe/monospace-django

Code came from:

Steven Skoczen, GoodCloud http://www.agoodcloud.com
Lee Trout, http://www.leetrout.com


Pulls from:
Minor cleanups - mixmastamyk: https://github.com/mixmastamyk
Implementation of v2 webhooks from stripe - sivy: https://github.com/sivy
Mixins fix - danawoodman: https://github.com/danawoodman
