1. don't let createChangeSet() spin indefinitely trying to resolve    TroveMissing exceptions 2. _getChangeSet() shouldn't explode when it gets absolute changeset requests    with forceLocal set to True
1. don't let createChangeSet() spin indefinitely trying to resolve
   TroveMissing exceptions
2. _getChangeSet() shouldn't explode when it gets absolute changeset requests
   with forceLocal set to True

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