[COLLECTIONS-519] Revert after discussion on the mailinglist.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1591832 13f79535-47bb-0310-9956-ffa450edef68
Update.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1591833 13f79535-47bb-0310-9956-ffa450edef68