all: Remove all Python 2 requirements, such as six

Release version 1.8.1

pytest-listener: Fix flakiness on windows-py39+ due to receive() happening on the same timestamp as a CLEAR is received.

pytest-listener: Use py_modules in setup.py

pytest-server-fixtures: Correct httpd command line

Add builds for new py versions and Windows to CircleCI (#245)

Release 1.8.0 (#241)

Merge pull request #226 from man-group/224-fix-shutil

Remove outdated requirements, and fix another test

Fix a few more tests

Fix tests

Remove further path/path.py usage

Replace path/path.py with pathlib & os

#224: Fix the use of Path and pin to a minimum version which includes the new is_dir() function.

Merge pull request #217 from mikelolasagasti/new-termcolor