* Allow overrides on all methods
* Add non-returning SendHttpRequest methods
* Use SendHttpRequest consistently
* Use file-scoped namespace
* Rates: Set default null value for currencyPair
* Ensure it works with instances which have BTCPAY_ROOTPATH set
* wip
* Local GreenField Client for Plugins
* support notification handlers being missing
* Initial support for scoped btcpay client
* test out scoped local client
* wip
* small fix
* Throw exception if using local greenfield client and it has not been implemented yet
* adapt based on new changes in BTCPay
* update
* fix tests
* Allow Local client to bypass authorization handler
* Add Misc endpoints to Local API Client
* Add new endpoints
* Apply code review changes
