v0.2.0

The Stripe iOS SDK is now in full Swift

If coming from 0.1.x, remove the old

pod 'Stripe', :modular_headers => true

And follow the "iOS additional setup" in the installation section.
A pod update, or at least install is needed.

Changelog

• android: stripe-android 16.1.1
• ios: stripe-ios 21.1
• other minor improvements