New Pro Sites Stripe Gateway!

Hey guys, just wanted to let you know we just dropped Pro Sites 3.1 which has a number of bug fixes but most importantly, a new full featured gateway, Stripe!

I'm personally a bit in love with Stripe as a developer, finally a payments company designed for developers! http://www.fastcompany.com/1813087/stripe-startup-paypal-google-checkout-peter-thiel-elon-musk

Included:
- Subscriptions
- Modify subscriptions/levels with immediate pro-rated payments
- User and admin subscription cancallation
- Full webhook support and logging for scheduled payments, chargebacks, payment problems, etc.
- Full admin dashboard capabilities: See plan, last and next payment info, user/card information, process full or partial refunds.

As this thing is super duper complex, I'm labeling it as beta for now, as i'm sure minor things will be popping up. Let me know how it goes for you!