- Fixed the [lower bound](https://github.com/fugue-project/tune/issues/43) of Rand expression
0.0.7
- [Optuna integration](https://github.com/fugue-project/tune/issues/23) and make Optuna and Hyperopt consistent - Make test coverage [100](https://github.com/fugue-project/tune/issues/16)
0.0.6
- Implemented main features for iterative and non iterative tuning