Starkbank

Fixed
- missing Invoice.transaction_ids property

Added
- page functions as a manual-pagination alternative to queries

Added
- Invoice.Payment sub-resource to allow retrieval of invoice payment information

Added
- Transfer.account_type property to allow "checking", "salary" or "savings" account specification
- Transfer.external_id property to allow users to take control over duplication filters

Added
- Organization user
- Workspace resource

Added
- Deposit.account_type parameter
- BrcodePayment.name parameter
Fixed
- Restrictive requests lib requirements