cargo, rust update

Cargo.lock

Cargo.toml

README.md

ci/azure-pipelines.yml

ci/drone.yml

integration/requirements.txt

pydataclass

pynonstr

pynumpy

pysort

src/lib.rs

test/test_dataclass.py

test/test_non_str_keys.py

test/test_numpy.py

test/test_subclass.py

test/test_uuid.py