How to implement Groups/Lists properly in AndStatus? Today I reread our old discussion at http://status.hackerposse.com/url/12295 , which contains, in particular, comparison of this thing's concepts in different social networks and added http://status.hackerposse.com/url/6776 to the comparison. So now this post compares GNU Social, Twitter and http://status.hackerposse.com/url/…