Refs #91 - Update PHPUnit to 4.1.
Refs #91 - Update composer.lock.
Refs #91 - Don't disable original constructor of mysqli mock.

Internal classes cannot be mocked without invoking their constructor in PHP 5.4.29
Refs #91 - Update other mysqli mock to use original constructor.
Fix overlong line of code.
Merge pull request #91 from synapsestudios/feature/91-update-phpunit

Update PHPUnit version installed by composer