title: Uppercase folder store yii always return index
body: <p>I have create a Yii app. I store it in /testyii</p>
  
  <p>I had create and rewrite URL. Everthing is OK.</p>
  
  <p>But now, when i try to access by localhost/Testyii/about (uppercase letter T)</p>
  
  <p>It always return me to index. It's ok when i access by localhost/testyii/about</p>