v0.19.0 *BREAKING CHANGES*
What's Changed
- Improve watermark (add watermark image) by @PrzemyslawKlys in #220
- Migrate to 3.1.0 OpenXMLSDK by @PrzemyslawKlys in #253 - due to underlying changes some code may require changes
Full Changelog: v0.18.0...v0.19.0