2021-03-12
* tutorial proofreading and corrections; kudos louisguitton
* better exception handling for RDF construction, parsing, serialization
* `build_nx_graph()` now requires a `networkx.DiGraph` directed graph as an argument
* add DOI to README, CITATION, and docs
* add contributor instructions
* neo4j integration via `neosemantics`; kudos gauravjaglan
* replace `GPUtil` with `pynvml` as recommended by NVidia; kudos kingmesal
* option to enable NVidia GPU use, if devices are available and libraries are installed
* using `cuDF`/`cuGraph` in lieu of `pandas`/`networkx` where possible; kudos BradReesWork