add freeze and to_sym/intern to String
add freeze and to_sym/intern to String

topazproject/topaz,babelsberg/babelsberg-r,babelsberg/babelsberg-r,kachick/topaz,topazproject/topaz,kachick/topaz,babelsberg/babelsberg-r,babelsberg/babelsberg-r,topazproject/topaz,kachick/topaz,topazproject/topaz,babelsberg/babelsberg-r