CONTRIBUTING

RUNNING TESTS

To run tests:

Make sure you have a recent version of PHPUnit installed; 4.8.0 minimally.
Enter the tests/ subdirectory.
Execute PHPUnit
```
$ ../vendor/bin/phpunit
```
You may also provide the --coverage-html switch;
```
$ ../vendor/bin/phpunit --coverage-html ./_report
```
This will generate code-coverage report witch can be displayed in a browser by opening tests/_report/index.html file