Speed up a common Exclude case in ccnd
Speed up a common Exclude case in ccnd

A test case for this with about 42000 content objects showed a 288x speedup.
Not typical, of course, but not bad.

refs #100061

svartika/ccnx,cawka/ndnx,cawka/ndnx,ebollens/ccnmp,cawka/ndnx,ebollens/ccnmp,ebollens/ccnmp,ebollens/ccnmp,svartika/ccnx,svartika/ccnx,cawka/ndnx,svartika/ccnx,svartika/ccnx,svartika/ccnx,cawka/ndnx,svartika/ccnx