git-svn-id: svn://svn.appwork.org/utils@2081 21714237-3853-44ef-a1f0-ef8f03a7d1fe
LogSourceProvider: synchronized logs cleanup

git-svn-id: svn://svn.appwork.org/utils@2082 21714237-3853-44ef-a1f0-ef8f03a7d1fe
WeakHashSet: cleanup on iterator

git-svn-id: svn://svn.appwork.org/utils@2083 21714237-3853-44ef-a1f0-ef8f03a7d1fe