- [#100](https://github.com/Sylius/InvoicingPlugin/issues/100) BillingData id must be int ([@pierre-H](https://github.com/pierre-H))
- [#102](https://github.com/Sylius/InvoicingPlugin/issues/102) Update sylius version to 1.4 ([@bartoszpietrzak1994](https://github.com/bartoszpietrzak1994))