title: Method Swizzle on iPhone device
body: <p>I tried both JRSwizzle, and MethodSwizzle.  They compile fine on the simulator but throw a bunch of errors when I try to compile for Device (3.x)</p>
  
  <p>Has anyone had any luck swizzling on the iphone?  Whats the trick?</p>
  
  <p>TIA</p>