v0.0.7

[2019/08/02]
Merged pull request , thanks @mludvik !

• Fix a bug introduced in v0.0.6
• Update documentation
• Test with Optuna 0.14.0

v0.0.6

[2019/08/01]
Merged pull request , thanks @mludvik !

• Clear tensorflow session before every trial.

v0.0.5

Monitor variable and direction (minimize or maximize) can be specified.
Tested with Optuna 0.10.0.

v0.0.1

Initial Release tested with Optuna 0.7.0.