title: Possible bug in ABGroupAddMember
body: <p>I found some bugs related to ABGroupAddMember on following sites:</p>
  
  <p><a href="http://www.iphonedevsdk.com/forum/iphone-sdk-development/65614-issues-abaddressbokk-since-update-ios-4-2-a.html" rel="nofollow">http://www.iphonedevsdk.com/forum/iphone-sdk-development/65614-issues-abaddressbokk-since-update-ios-4-2-a.html</a></p>
  
  <p><a href="http://www.3manzana.com/2010/12/bug-no-ios-42-abgroupaddmember.html" rel="nofollow">http://www.3manzana.com/2010/12/bug-no-ios-42-abgroupaddmember.html</a></p>
  
  <p>Has anyone else seen this behaviour? are there any solutions?</p>