Update README.md (#301)

Author: Geolim4

README.md

@@ -1,8 +1,11 @@
 [![Code Climate](https://codeclimate.com/github/PHPSocialNetwork/phpfastcache/badges/gpa.svg)](https://codeclimate.com/github/PHPSocialNetwork/phpfastcache) [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/PHPSocialNetwork/phpfastcache/badges/quality-score.png?b=final)](https://scrutinizer-ci.com/g/PHPSocialNetwork/phpfastcache/?branch=final) [![Build Status](https://travis-ci.org/PHPSocialNetwork/phpfastcache.svg?branch=final)](https://travis-ci.org/PHPSocialNetwork/phpfastcache) [![Latest Stable Version](http://img.shields.io/packagist/v/phpfastcache/phpfastcache.svg)](https://packagist.org/packages/phpfastcache/phpfastcache) [![Total Downloads](http://img.shields.io/packagist/dt/phpfastcache/phpfastcache.svg)](https://packagist.org/packages/phpfastcache/phpfastcache) [![Dependency Status](https://www.versioneye.com/php/phpfastcache:phpfastcache/badge.svg)](https://www.versioneye.com/php/phpfastcache:phpfastcache) [![License](https://img.shields.io/packagist/l/phpfastcache/phpfastcache.svg)](https://packagist.org/packages/phpfastcache/phpfastcache) [![Coding Standards](https://img.shields.io/badge/CI-PSR6-orange.svg)](https://github.com/php-fig/cache) 
+
+:exclamation: V4 USERS, PLEASE SEE THE README !! THE V5 IS OFFICIALY OUT !! YOUR CODE NEED TO BE REWRITED :exclamation:
+
 ---------------------------
 Simple Yet Powerful PHP Caching Class
 ---------------------------
-More information at http://www.phpfastcache.com
+More information in [Wiki](https://github.com/PHPSocialNetwork/phpfastcache/wiki)
 One Class uses for All Cache. You don't need to rewrite your code many times again.