Apyori

Features
- Improve performance.

Features
- Support Lift threshold option.
- Fix a bug in TSV output process.

Features
- First stable release!

Updates
- Fix a bug on stripping transaction records..
- Make the order of results stable.
- Support multibyte strings on JSON output.
- Stability improved.

Updates
- JSON output format support.
- Deprecate default output format.
- Stability improved.

Restrictions
- Not enough documentations.
- No integration tests.