Ocpp-van

Bug fixes

- [14](https://github.com/mobilityhouse/ocpp/issues/14) Fix typo in attribute of call.StartTransactionPayload
- [16](https://github.com/mobilityhouse/ocpp/issues/16) Fix attributes of call.StopTransaction
- [18](https://github.com/mobilityhouse/ocpp/issues/18) Fix typo in attribute of call.RemoteStopTransaction

Improvements

- [5](https://github.com/mobilityhouse/ocpp/issues/5) Add support for Python 3.6 and move to Poetry

Improvements

- [3](https://github.com/mobilityhouse/ocpp/issues/3) Add CircleCI integration.

Bug fixes

- [1](https://github.com/mobilityhouse/ocpp/issues/1) Add JSON schema's to distribution.

- Initial release.