v2.0.3

• Fix: if "db" mode and hz is 0 return 0 not inf

v2.0.2

• Improve speed by not using ** operator

v2.0.1

• Only use explicit params in r468 (breaking change)
• Rewrite test, because of breaking change
• Add documentation with sphinx
• Unpin versions requirments and add frozen state
• Add helper scripts

v.1.1.1

• Test ITU specification and SMPTE RP tolerances #3
• Add gain factor as return option

v.1.1.2

• Improve r468, by getting rid of redundant code
• Remove unneeded constant
• Put dev requirements file into root
• Use mypy type annotation #9

v1.0.4

• Improved documentation and code comments

v1.0.3

Fix naming and bump version to 1.0.3