Add classes subcommand. see #6627

git-svn-id: http://jp.rubyist.net/svn/rurema/bitclust/trunk@5860 018432c1-2f1c-0410-ba7c-d424024924b7
Add methods subcommand. see #6627

git-svn-id: http://jp.rubyist.net/svn/rurema/bitclust/trunk@5861 018432c1-2f1c-0410-ba7c-d424024924b7