Fix wordset to override features() so that we can safely use multiple instances of it
Fix wordset to override features() so that we can safely use multiple instances of it

agesmundo/FasterCubePruning,kho/mr-cdec,pks/cdec-dtrain-legacy,agesmundo/FasterCubePruning,pks/cdec-dtrain-legacy,pks/cdec-dtrain-legacy,kho/mr-cdec,pks/cdec-dtrain-legacy,agesmundo/FasterCubePruning,pks/cdec-dtrain-legacy,kho/mr-cdec,agesmundo/FasterCubePruning,kho/mr-cdec,agesmundo/FasterCubePruning,kho/mr-cdec,pks/cdec-dtrain-legacy,agesmundo/FasterCubePruning,kho/mr-cdec