Tune

- Refactor `FunctionWrapper`, remove the Fugue contraint

- Added Fugue version constraint to avoid breaking changes

- [54](https://github.com/fugue-project/tune/pull/54): Integrated with MLFlow
- [60](https://github.com/fugue-project/tune/issues/60): Integrated with W&B
- [57](https://github.com/fugue-project/tune/issues/57): Expanded test coverage from Python 3.6 - 3.10, Linux and Windows
- [58](https://github.com/fugue-project/tune/issues/58): Fixed Bayesian optimizations min_better bug

- Replace all `pickle` with `cloudpickle`

- Major refactoring on Space to use [parameters template](https://github.com/fugue-project/tune/issues/47)
- Add [TransitionChoice](https://github.com/fugue-project/tune/issues/46)
- Enable local optimizers (optuna and hyperopt) to handle [nested data structures](https://github.com/fugue-project/tune/issues/44)

- Fixed the [lower bound](https://github.com/fugue-project/tune/issues/43) of Rand expression