Contact.ContactGroups not loaded correctly

[GoogleCodeExporter]

What steps will reproduce the problem?
1. when loading a large list of contact, some contact's MSN groups count is 
zero, while it actually has a group in my live messenger


What is the expected output? What do you see instead?


What version of the product are you using? (MSNPSharp, OS, Mono etc.)
windows xp, 7 with MSNPSharp 5.0.4.12034

Is your code clone from GIT or download from our download page?


Please provide any additional information below:

Original issue reported on code.google.com by [email protected] on 27 Aug 2012 at 3:04