1) differentiate abstract change sets from new package changesets in    Repository.createChangeSet() 2) remove packages as instructed by the change set
1) differentiate abstract change sets from new package changesets in
   Repository.createChangeSet()
2) remove packages as instructed by the change set

sassoftware/conary,sassoftware/conary,sassoftware/conary,sassoftware/conary,sassoftware/conary