Adding unit test case covering that if you use the Url factory with an empty string, you should get an empty string as result.
Adding unit test case (in data provider) covering that if you use Url::buildUrl with an empty string, you should get an empty string as result.
Fixing indentation in UrlParserProvider.php
Merge remote-tracking branch 'mpv/master'
Removing overly verbose covers annotations from UrlTest