Release v1.0.0 on PyPi

We should have made a v1.0.x release long ago!
General clean up, keeping up to date with changes in RDFlib especially, and fixes issues in the tutorial notebooks.

What's Changed

• V1 update by @ceteri in #365
• prep for v1.0.0 release by @ceteri in #366
• prep for pyjelly integration by @ceteri in #367
• Add Jelly format support (RDF serialization) by @lapkinvladimir in #358
• V1 update by @ceteri in #383

New Contributors

• @lapkinvladimir made their first contribution in #358

Full Changelog: v0.7.0...v1.0.0