 + fix docstring (issue55).
 + fix docstring (issue55).

 (thanks Scott Kitterman).

git-svn-id: ff1bd20d4810c92495c9b7b1169b6cc20646d37a@132 09200d28-7f98-11dd-ad27-0f66e57d2035

JonathonReinhart/ipaddr-py,JonathonReinhart/ipaddr-py