2 - If ExcludeNodes is set, consider non-excluded hidden service
3 directory servers before excluded ones. Do not consider excluded
4 hidden service directory servers at all if StrictNodes is
5 set. (Previously, we would sometimes decide to connect to those
6 servers, and then realize before we initiated a connection that
7 we had excluded them.) Fixes bug 10722; bugfix on 0.2.0.10-alpha.