 + doc-fix.    issue60, reported by colmmac.
 + doc-fix.
   issue60, reported by colmmac.

git-svn-id: 47ea1648b537354ea000dbdc81f6c548b4e87acd@165 09200d28-7f98-11dd-ad27-0f66e57d2035

tomwilkie/ipaddr-py,tomwilkie/ipaddr-py