Unit test PHP 5.5
Merge pull request #5 from wilsonge/patch-1

Unit test PHP 5.5
Fix typo in param description

There was a missed W letter
Merge pull request #6 from javigomez/master

Fix typo in param description
Fix identation on composer.json
Merge pull request #7 from malukenho/patch-1

Fix identation on composer.json