- added authentication of registered apps BREAKING CHANGE: BillomatClient::__construct signature has changed (see upgrade instructions)
- added automatic waiting for rate limit reset
- added rate limit handling
- added operations on credit note payments
- fixed client_id requirement for credit-note update
- added operations on invoice payments
- added operations on invoice tags
- added operations on credit notes
- added operations on credit note items
- added change log
- added readme
- added operations on user property values
- added operations on article property values
- added sorting to list operations
- added operations on email templates
- fixed delete methods' return type
- added operations on reminder texts
- added operations on country taxes
- fixed return value handling for new list getters
- Initial release