Minor README update

Author: castarco

README.md

@@ -1,21 +1,21 @@
-php-bignumbers
+php-bignumbers [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/Litipk/php-bignumbers?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=body_badge)
 ==============
 
 A robust library to handle immutable big numbers inside PHP applications
-The current stable version is 0.5.1. [![Donate](https://dl.dropboxusercontent.com/u/487440/reformal/donate.png "Donate")](https://www.gittip.com/castarco/)
+The current stable version is 0.6.0. [![Donate](https://dl.dropboxusercontent.com/u/487440/reformal/donate.png "Donate")](https://www.gittip.com/castarco/)
 
 
 Status Label  | Status Value
 --------------|-------------
-Build | [![Build Status](https://api.travis-ci.org/Litipk/php-bignumbers.png?tag=0.5.1)](https://travis-ci.org/Litipk/php-bignumbers)
-Coverage (from Coveralls): | [![Coverage Status](https://coveralls.io/repos/Litipk/php-bignumbers/badge.png?tag=0.5.1)](https://coveralls.io/r/Litipk/php-bignumbers?branch=master)
+Build | [![Build Status](https://api.travis-ci.org/Litipk/php-bignumbers.png?tag=0.6.0)](https://travis-ci.org/Litipk/php-bignumbers)
+Coverage (from Coveralls): | [![Coverage Status](https://coveralls.io/repos/Litipk/php-bignumbers/badge.png?tag=0.6.0)](https://coveralls.io/r/Litipk/php-bignumbers?branch=master)
 Coverage (from Scrutinizer): | [![Code Coverage](https://scrutinizer-ci.com/g/Litipk/php-bignumbers/badges/coverage.png?s=58936d9334e7fc2413a43ad6cf1c7c1577f1f39c)](https://scrutinizer-ci.com/g/Litipk/php-bignumbers/)
-Code Quality: | [![Scrutinizer Quality Score](https://scrutinizer-ci.com/g/Litipk/php-bignumbers/badges/quality-score.png?s=be17bc4bbe3233a45a7d4db39ed8c10e77bcd3fb)](https://scrutinizer-ci.com/g/Litipk/php-bignumbers/)
+Code Quality: | [![Scrutinizer Quality Score](https://scrutinizer-ci.com/g/Litipk/php-bignumbers/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/Litipk/php-bignumbers/)
 Dependencies: | [![Dependency Status](https://www.versioneye.com/user/projects/52cc91c6ec13754970000275/badge.png)](https://www.versioneye.com/user/projects/52cc91c6ec13754970000275)
 
 ## Requirements
 
-Litipk PHP BigNumbers supports PHP 5.3.x, 5.4.x and 5.5.x,
+Litipk PHP BigNumbers supports PHP 5.3.x, 5.4.x, 5.5.x, and 5.6.,x
 but also Facebook's [HHVM](http://www.hhvm.com).
 
 ## Install Instructions