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Thanks to `lukius <https://github.com/lukius>`_ .
- Support for one-sided (min/max) tests.
- Test output is now more flexible: the user can run the test in order to find the outliers themselves or the indices of the outliers, and not just the outlier-free data.
- Test suite was enhanced.
- README was extended and improved.
- Japanese comments were translated to English so as to reach a greater audience.