I use the term “groups” loosely here. On my list of features that are needed in Lion Server (a much smaller since the advent of 10.7.3 btw) is the fact that Address Book Server doesn’t have groups, resources or whatever you want to call a logical structure that is a place for groups of users to keep contacts whose access can be limited to only certain users. The Address Book client fully understands such constructs, given that it separates the GAL from a user’s contacts and that user’s can themselves have groups of contacts. This area is a huge miss. The reason this annoys me is that you have the…