DerwenAI/kglab: v0.1.5 on PyPi

2021-01-19

• rollback pandas to 1.1.5 which is the latest stable on Ubuntu; see #94
• revise pyvis use as a factory pattern
• extend RDFlib serialization with urlpath support
• extend all serialization to support file-like objects
• including gcsfs and fsspec to leverage cloud bucket access in pandas
• added code_of_conduct.md
• code checking based on pylint
• added accessor methods, e.g., KnowledgeGraph.rdf_graph()
• updated pandas usage for direct Parquet/Arrow calls, e.g., read_parquet() and to_parquet()
• updated pyshacl usage to >= 0.14.1 to support inplace graph manipulation (inference)