Fix: Added idempotency key to charges to avoid duplicate records in Easy Digital Downloads.
Fix: get_user_meta() was called incorrectly after enabling "Zip / Postal Code and Country only".
Fix: Avoid PHP errors in the Stripe settings screen on PHP 5.3.
Fix: Avoid a fatal error when Easy Digital Downloads isn't active.
Fix: Stripe Connect admin notice could only be dismissed permanently from the Stripe settings page.