Merge pull request #10 from thephpleague/dev

Merging dev branch to update the library to version 3
Update validate docblock to fix issue with scrutinizer
Merge pull request #11 from thephpleague/dev

Update version 3.0.0
Merge pull request #12 from thephpleague/dev

Adding comparison method to League\Url\Url
Documentation update
Documentation update
Documentation update
Documentation Update
Update Unit test
update library description
Documentation update
change fetchKeys method to keys