Adds notes explaining the fix

lib/Models/Model.php

@@ -170,6 +170,11 @@ class Model extends \Sudzy\ValidModel {
     return static::whereNotNull('deleted_at');
   }
 
+  /**
+   * PHP 5.3 fix for incorrectly returned model results when using asArray() function. 
+   * Jira reference: https://goo.gl/UZaMj5
+   * TODO: remove after phasing out PHP 5.3 support
+   */ 
   function asArray() {
     return call_user_func_array('parent::as_array', func_get_args());
   }
@@ -184,4 +189,4 @@ class Model extends \Sudzy\ValidModel {
       throw new \Exception($e->getMessage());
     }
   }
-}
+}