- Switch to dual licensing under AGPL-3.0 or MIT licenses.
- Added #48 - Allowing injection of custom client.
- Fixed #42 - Call to undefined method GuzzleHttp\Exception\ConnectException::getResponse().
- Fixed #49 - "on_behalf_of_user" never gets initialized, which leads to conflicts.
- Fixed #47 - Make Guzzles HTTP connect_timeout configurable or set a decent default.
- Fixed #46 - Wrong documentation for SSL verification switch.
- Updated tests to be compatible with new Zammad versions.