title: I have a class representing coredata - how do i add a getter?
body: <p>I have a class, called Media, which represents coredata. If something changes in my database, i'll do Editor > Create NSManagedObject Subclass, and this will re-write the .h and .m files for the class.</p>
  
  <p>I want to add a getter method though. As far as i'm aware, I can't do this through a category. What's the best way to go about doing this?</p>