Merge tag 'readme-fix' into develop

Tagging version readme-fix readme-fix

Author: Maxlab

README.md

@@ -2,6 +2,7 @@
 <img alt="Frameworks a lot - he's one!" src="logo.png">
 </p>
 
+[![Latest Stable Version](https://poser.pugx.org/maxlab/stacker/v/stable)](https://packagist.org/packages/maxlab/stacker)
 [![Build Status](https://travis-ci.org/Maxlab/stacker.svg?branch=master)](https://travis-ci.org/Maxlab/stacker)
 [![License](https://poser.pugx.org/maxlab/stacker/license)](https://packagist.org/packages/maxlab/stacker)