Update test and readme

README.md

@@ -359,7 +359,7 @@ S::reverse(string $str, [, string $encoding ])
 Reverses a string. A multibyte version of strrev.
 
 ```php
-S::reverse('', 'UTF-8'); //
+S::reverse('fòô bàř', 'UTF-8'); // 'řàb ôòf'
 ```
 
 ## TODO

tests/Stringy/StringyTest.php

@@ -624,6 +624,7 @@ class StringyTestCase extends PHPUnit_Framework_TestCase {
         $testData = array(
             array('', ''),
             array('raboof', 'foobar'),
+            array('řàbôòf', 'fòôbàř', 'UTF-8'),
             array('řàb ôòf', 'fòô bàř', 'UTF-8'),
             array('∂∆ ˚åß', 'ßå˚ ∆∂', 'UTF-8')
         );