Made tests far more reliable and fixed python_requires thanks to @zeevro

 v3.9.1

Greatly increased type hinting, dropped python 3.8 support and fixed …

…several small bugs v3.9.0

Windows can also return an OSError instead of a ValueError for a `fro…

…mtimestamp` overflow v3.8.2

fixed silly typo v3.8.1

Added slicable deque v3.8.0

Fixed several typing issues and added more thorough tests v3.7.0

Increased `typing-extensions` version requirement to fix #38 v3.6.1

Added extra containers such as UniqueList and SlicableDeque. Added fu…

…ll pyright strict and mypy type checks v3.6.0

Added import shortcuts for container classes v3.5.2

Improved type hinting thanks to @jorenham v3.5.1