Version 1.1.0

• Improve test matrix with latest Crystal versions.
• Drop old Crystal versions support.
• Drop Ubuntu 18.04 docs.
• Improve dependencies and docs according changes.
• Bump shard to v1.1.0

Version 1.0.0

• Improve test matrix to test against Ubuntu 22.04 and Crystal version 1.4.1, 1.5.1, 1.6.1.
• Use Crystal 1.6.1 in .tools-versions as latest Crystal version.
• Bump shard version to v1.0.0 due to Crystal versions stability.
• Update actions/checkhout to v3 to avoid unsupported packages versions usage.

Version 0.4.0

• Improve test matrix.
• Allow to use Crystal version >= 0.36.1.
• Add .tools-versions with latest Crystal version.

Version 0.3.0

Changes

• Bump Crystal version to 1.0.0.
• Drop Crystal support under version 0.36.1.
• Bump minitest.cr to 1.0.1 version.
• Improve README.md.

Version 0.2.0

Added

• Add support of the Crystal version 0.36.1.
• Add issues and pull requests templates.
• Move from TravisCI to GitHub actions.
• Add support of the Ubuntu 20.04 and MacOS latest.

Version 0.1.0

Added

• Project with initial features, structure, specs and Readme.md.
• Support of the Crystal version 0.34.1, PDFtk 2 and 3, and Ubuntu 18.04.