Merge pull request #72 from szymach/readme

Updated README

README.md

@@ -29,11 +29,6 @@ Build status:
 - [![Build Status](https://travis-ci.org/szymach/c-pchart.svg?branch=master)](https://travis-ci.org/szymach/c-pchart) master
 - [![Build Status](https://travis-ci.org/szymach/c-pchart.svg?branch=2.0)](https://travis-ci.org/szymach/c-pchart) 2.0
 
-Code quality:
-=============
-[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/szymach/c-pchart/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/szymach/c-pchart/?branch=master)
-[![Code Coverage](https://scrutinizer-ci.com/g/szymach/c-pchart/badges/coverage.png?b=master)](https://scrutinizer-ci.com/g/szymach/c-pchart/?branch=master)
-
 About:
 ======
 
@@ -50,7 +45,7 @@ any of these.
 
 What was done:
 
-- Support for PHP versions from 5.4 to 7.3.
+- Support for PHP versions from 5.4 to 8.0.
 
 - Made a full port of the library's functionality. I have touched very little of
 the actual logic, so most code from the original library should work.