-*- rd -*- $Author$ =begin = StringIO Pseudo (({IO})) class from/to (({String})). This library is based on MoonWolf version written in Ruby. Thanks a lot. = Differences to (({IO})) * not implemented: (({fcntl})), (({reopen})). * (({fileno})) returns nil. * (({pos=})) returns new position, not 0. * (({ungetc})) does nothing at start of the string. =end