===================
- Fix use of URI references as base URIs in ``urijoin()`` and
``SplitResult.transform()``.
- Remove ``SplitResult.getaddrinfo()``.
- Remove ``SplitResult.getauthority()``.
- Remove ``SplitResult.gethostip()``; return ``ipaddress`` address
objects from ``SplitResult.gethost()`` instead.
- Remove ``SplitResult.gethost()`` ``encoding`` parameter.
- Remove query delimiter parameters.
- Return normalized paths from ``SplitResult.getpath()``.
- Convert character constants to strings.