Grlc

What's Changed

Changes include:
- Creating JSON-LD via SPARQLTransformer
- Adding Gitlab support (testing, authentication)
- Update supported Python versions: 3.8 to 3.11
- Refactor query rewriter
- Dependabot updates for flask, pygithub, pytest, python-gitlab, pyaml
- Linter using flake8 and black
- Update notebook example for using grlc as a library
- Adding endpoint-method decorator allowing to control POST/GET communication with SPARQL endpoint
- Replace docopt by docopt-ng


**Full Changelog**: https://github.com/CLARIAH/grlc/compare/v1.3.8...v1.3.9

Long overdue release, but hopefully next one will not take that long.

This release includes:
- Adding support for relative urls in spec files
- Improved error and warning handling (Add a warning if license is not found, propagate exceptions raised by rdflib)
- Updated documentation and testing
- Changed CI from Travis to GH action (including badge)
- Incorporating Gitlab support
- Add SPARQL Update support
- Updated references
- Version updates (Safe yaml loader, flask-cors, requests, pip installable up to python 3.9, docker image to python 3.8)

Thanks for your contributions to jaw111, tkuhn, GenEars, nichtich and abelsiqueira!

Release notes:
- Upgrade rdflib 5.0.0
- Updates for [JOSS review](https://github.com/openjournals/joss-reviews/issues/2731)

This release includes:

- Update documentation & contributing guidelines
- Update requirements (docutils)
- Add format control via extension (thanks ecow for reporting)
- Remove 3.5 support
- Remove support for `/spec` in favour of `/swagger`
- Restrict transform decorator to application/json (thanks ecow for reporting)
- Catching exception connecting to SPARQL endpoint
- Handle errors raised by missing prefix
- Fix query display in summary
- Upgrade SPARQL transformer to support list objects (thanks rapw3k for suggesting this feature and pasqLisena for implementing it)
- Add extra check for missing license (Thanks jaw111 for reporting this)

This release includes:
- Workflow for tweeting new releases
- Multiple updates to testing suit to catch bugs: using grlc as library, calling API paths
- Improve version management, making it easier to bump version in a single file (CITATION.CFF)
- Backward compatibility of /spec endpoints
- Fix pagination links
- Document parameter syntax
- Improving support for in a repo
- Add support for customizable information in repo
- Show warnings on swagger UI when unable to build queries
- Use PyGithub to communicate with Github

- Security patch waitress
- Remove Access-Control-Allow-Origin nginx header
- Fix Markdown links