IHF: Coveralls badge added.

Author: dmitry-ivanov

README.md

@@ -3,6 +3,7 @@
 [![StyleCI](https://styleci.io/repos/61384075/shield)](https://styleci.io/repos/61384075)
 [![SensioLabsInsight](https://insight.sensiolabs.com/projects/df1af353-b377-4478-b57a-789d86eb35e9/mini.png)](https://insight.sensiolabs.com/projects/df1af353-b377-4478-b57a-789d86eb35e9)
 [![Build Status](https://travis-ci.org/dmitry-ivanov/laravel-helper-functions.svg?branch=master)](https://travis-ci.org/dmitry-ivanov/laravel-helper-functions)
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 Provides Laravel-specific and pure PHP helper functions.