Merge pull request #60 from mrbig/issue-59

Fix for json fields containing a dollar sign (Issue #59)

Improve Markdown support for Confluence (#57)

Improve Markdown description formatting (#56)

Escape interpolated PHP vars in descriptions (#55)

Update CHANGELOG.md

Update CHANGELOG.md

Update CHANGELOG.md

Improve markdown generation (#48)

Add support for PHP 8.1 (#43)

Fix exception on duplicate constant name in enum (#42)