Dataclasses-jsonschema

* Add python 3.10 & 3.11 support
* Optional support for `fastuuid` library & faster datetime parsing

- 190 Fix type error thrown from valid Union types

- 189 - Fix incorrect conversion of unions of lists and strings
- 188 - Improve handling of type unions

Fix 182 - Generated tuple schema is incompatible with OpenAPI 3.0

161 - Nullable is always Falsey
168 - Fix handling of untyped container types in Python 3.9
169 - Preserve type of dict keys when converting to & from json
165 - Type hint of `from_json` is now compatible with `json.loads()`
172 - Kwargs of `__init_subclass__` are now passed to parent
171 - Support discriminators when used with type unions

158 - Handle custom formats with `fastjsonschema` correctly