Drop references in the cache and then clear the hash map out, rather than erasing and dropping reference on an entry at a time.  The new way seems to be quite a lot faster.
Drop references in the cache and then clear the hash map out, rather than
erasing and dropping reference on an entry at a time.  The new way seems to be
quite a lot faster.


git-svn-id: 9e2532540f1574e817ce42f20b9d0fb64899e451@116 4068ffdb-0463-0410-8185-8cc71e3bd399

diegows/wanproxy,splbio/wanproxy,splbio/wanproxy,diegows/wanproxy,diegows/wanproxy,splbio/wanproxy