gpupo/similarity

## Tests

All tests are run automatically at each commit, on ``OSx`` and ``Linux`` environment in PHP versions ``5.3``, ``5.4``, ``5.5``, ``5.6``, ``7.0`` and ``hhvm`` using  [Travis](http://travis-ci.org/gpupo/similarity).


To run localy the test suite:

    $ phpunit

See the testdox output

    $ phpunit --testdox