New Year's Cleanup

It's a new year and that's always good to clean up things and improve code. This is exactly what I did to make it easier for you to use the VIES service.

I would like to wish you a very happy 2015!

Changelog

• we got rid of Zend Framework 1
• implemented PSR-4
• followed advice from SenioLabsInsight to improve code quality
• removed support for PHP 5.3, following EOL announcement

First stable release of this library

This PHP tool allows you to quickly verify VAT numbers of companies within the EU.