EXC_BAD_ACCESS releasing the object

[cmazzi]

First of all: great job.
I had some EXC_BAD_ACCESS releasing the object.
I solved with the following code

• (void)dealloc {
  needleLayer.delegate = nil;
  [needleLayer release];
  [needle_ release];
  [textLabel_ release];

  [super dealloc];
  }