Change Log
==========
### 0.0.4 2020-07-10 Minor bug fix
- Fixed interval calculation error when q < 3.

### 0.0.3 2020-07-06 Documentation Update
- Added new section about SuperMemo-2 in documentation, and fixed some formats in README.

### 0.0.2 2020-07-05 Refactored feature
- Refactored the supermemo2 algorithm code into a simpler structure, and reduced unnecessary methods in the class.

## 0.0.1 2020-07-02 Feature release

- Initial Release
