Xorjson

Added

- `orjson.dumps()` serializes `uuid.UUID` instances if
`option=orjson.OPT_SERIALIZE_UUID` is specified.

Changed

- Minor performance improvements.
- Publish Python 3.9 wheel for Linux.

Fixed

- Specify a text signature for `orjson.loads()`.

Changed

- Improve documentation.

Changed

- Publish Python 3.8 wheels for macOS and Windows.

Changed

- The recursion limit of `default` on `orjson.dumps()` has been increased from
5 to 254.

Changed

- Publish `manylinux1` wheels instead of `manylinux2010`.

Added

- `orjson.dumps()` serializes `dataclasses.dataclass` instances if
`option=orjson.OPT_SERIALIZE_DATACLASS` is specified.
- `orjson.dumps()` accepts `orjson.OPT_UTC_Z` to serialize UTC as "Z" instead
of "+00:00".
- `orjson.dumps()` accepts `orjson.OPT_OMIT_MICROSECONDS` to not serialize
the `microseconds` attribute of `datetime.datetime` and `datetime.time`
instances.
- `orjson.loads()` accepts `bytearray`.

Changed

- Drop support for Python 3.5.
- Publish `manylinux2010` wheels instead of `manylinux1`.