New upstream version 0.16.1

.coveragerc

.github/workflows/cis.yml

.github/workflows/docs.yml

.github/workflows/frameworks.yml

.github/workflows/release.yml

.pre-commit-config.yaml

README.rst

doc/cfg.rst

doc/changelog.rst

doc/usage.rst

pyproject.toml

setup.py

src/bytecode/__init__.py

src/bytecode/bytecode.py

src/bytecode/cfg.py

src/bytecode/concrete.py

src/bytecode/flags.py

src/bytecode/instr.py

src/bytecode/utils.py

tests/__init__.py