Add FMCorz to contributor list

Author: sabberworm

README.md

@@ -611,6 +611,7 @@ class Sabberworm\CSS\CSSList\Document#4 (2) {
 
 ## Contributors/Thanks to
 
+* [FMCorz](https://github.com/FMCorz) for many patches and suggestions, for being able to parse comments and IE hacks (in lenient mode).
 * [Lullabot](https://github.com/Lullabot) for a patch that allows to know the line number for each parsed token.
 * [ju1ius](https://github.com/ju1ius) for the specificity parsing code and the ability to expand/compact shorthand properties.
 * [ossinkine](https://github.com/ossinkine) for a 150 time performance boost.