Merge pull request #297 from DerwenAI/release/fix-0.6.2

reduce size of source distributions

Merge pull request #296 from DerwenAI/release/fix-0.6.2

Attempt to resolve the ginormous source build

Merge pull request #292 from DerwenAI/release/fix-0.6.2

adjusting manifest for builds

Merge pull request #291 from DerwenAI/release/fix-0.6.2

PyPi can be a PitA

Merge pull request #290 from DerwenAI/build/use_flit

Cutover to using `pyproject.toml` based on Flit

Merge pull request #255 from DerwenAI/prep-0.6.1

minor fixes to resolve warnings; prep release

Merge pull request #247 from DerwenAI/docs-yarrrml

prep release

Merge pull request #242 from DerwenAI/update_docs

adjust dependency versions to avoid conflicts

Merge pull request #240 from DerwenAI/oxrdflib-integration

allow configurable rdflib.Store plugins, e.g., Oxrdflib

Merge pull request #233 from DerwenAI/confirm_dockerhub

prep release, confirming #230