3.0.0 (2024-02-04)

Rename "master" git branch to "main"
Fix a bug that would appear on macOS whereby if we accept() a socket that is
already gone, setting socket options would fail and take down the server. See
#399
Fixed testing of vendored asyncore code to not rely on particular naming for
errno's. See #397
HTTP Request methods and versions are now validated to meet the HTTP
standards thereby dropping invalid requests on the floor. See
#423
No longer close the connection when sending a HEAD request response. See
#428
Always attempt to send the Connection: close response header when we are
going to close the connection to let the remote know in more instances.
#429
Python 3.7 is no longer supported. Add support for Python 3.11, 3.12 and
PyPy 3.9, 3.10. See #412
Document that trusted_proxy may be set to a wildcard value to trust all
proxies. See #431

Updated Defaults