Changelog
- b5629c4 VERSION.txt: This is version 0.11.0 (#294)
- e4c052f api: add coupon support (#289)
- 45df530 api: fix setting of default payment method (#293)
- 10c6612 api: support tax ID collection on checkout (#285)
- 5510564 api: wire up tax collection for Checkout (#286)
- 8270536 client/tier: expose tax parameters for Checkout (#287)