title: Parse kit crashing on xcode 4.5
body: <p>i have used parse kit in my project and it works fine. The original project was made in xcode 4.2.1. works fine on iphone 4s and iOS 5.</p>
  
  <p>The problem is when i opened the same project in xcode 4.5 and installed it on device it crashed while using method</p>
  
  <pre><code>t = [PKTokenizer tokenizerWithString:moveString];
  </code></pre>
  
  <p>it crashes. the error msg is
  <strong>dyld: lazy symbol binding failed: Symbol not found: _objc_setProperty_nonatomic
    Referenced from: /var/mobile/Applications/9BE9D9FB-278D-45FD-B5EB-62FC0A162DC6/Mchess.app/Mchess
    Expected in: /usr/lib/libobjc.A.dylib</strong>   I am still back tracing it into parse kit but any guidance will be helpful</p>
  
  <p>Thanks</p>