Support for Python >= 3.8

[Fl4m3Ph03n1x]

I see in pypi that this library is not supported in Python >= 3.8
Is there a reason for this?
What can be done to change it?

[briancurtin]

It definitely works on those versions, it just needs to have the version identifiers in setup.py updated.

[Fl4m3Ph03n1x]

Made a PR for convenience's sake:
#59

Please let me know what you think.