Make "route" argument mandatory on all constructors that take it

darcs-hash:20090227154617-58103-89e276cd0407bd29d1e0708236060aa3b5bf5abe
Fixed route.host -> route.address rename in logstate.py

darcs-hash:20090227154959-58103-9c0c3c3394459e4f1852a355394a0a70401e917a