* Support for payout-schedules endpoint to Marketplace (Four)
* Refactor `http_response` to `http_metadata` and added specific mapping
* Review Payments Schema - Added missing payments source types (Default/Four)
* Added support for `idempotency key` on `transfers` (Four)
* Review OAuth scopes (Four)
* Added `email` property to NetworkTokenSource
* Added missing payment `exemptions` types
* Support beta APMs PayPal and ACH
* Remap AccountHolder & MarketplaceAccountHolder