Release 0.4.0 (and minor fix in Rakefile).
Release 0.4.0 (and minor fix in Rakefile).


git-svn-id: 829087911343bbb8fc19dec46c41ea854bd61efa@66 086f654a-3896-4ada-bbbd-7c2a7a138609

compwron/RubyTree,Intrepidd/RubyTree