Adds badges

Author: kzykhys

README.md

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 Pygments.php - A Thin Wrapper for the Python Pygments
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+[![Latest Stable Version](https://poser.pugx.org/kzykhys/pygments/v/stable.png)](https://packagist.org/packages/kzykhys/pygments)
+[![Build Status](https://travis-ci.org/kzykhys/Pygments.php.png?branch=master)](https://travis-ci.org/kzykhys/Pygments.php)
+[![Coverage Status](https://coveralls.io/repos/kzykhys/Pygments.php/badge.png)](https://coveralls.io/r/kzykhys/Pygments.php)
+
 A PHP wrapper for the Python Pygments syntax highlighter
 
 Requirements