Merge branch 'release/pybis-1.8.2'

pybis/src/python/CHANGELOG.md

pybis/src/python/README.md

pybis/src/python/README.rst

pybis/src/python/notebooks/pybis demo.ipynb

pybis/src/python/pybis/__init__.py

pybis/src/python/pybis/dataset.py

pybis/src/python/pybis/experiment.py

pybis/src/python/pybis/material.py

pybis/src/python/pybis/property.py

pybis/src/python/pybis/sample.py

pybis/src/python/setup.py