title: Sort NSArray's by an int contained in the array
body: <p>I have an array, let's call it "array" and inside of the array I have objects like this:</p>
  
  <p>"0 Here is an object"</p>
  
  <p>"4 Here's another object"</p>
  
  <p>"2 Let's put 2 here too!"</p>
  
  <p>"1 What the heck, here's another!"</p>
  
  <p>"3 Let's put this one right here"</p>
  
  <p>I would like to sort the arrays by that number, so it'll turn into this:</p>
  
  <p>"0 Here is an object"</p>
  
  <p>"1 What the heck, here's another!"</p>
  
  <p>"2 Let's put 2 here too!"</p>
  
  <p>"3 Let's put this one right here"</p>
  
  <p>"4 Here's another object"</p>