unstable: removed byte-counting-port.rkt (use open-output-nowhere instead)   updated test to verify that open-output-nowhere has same behavior
unstable: removed byte-counting-port.rkt (use open-output-nowhere instead)
  updated test to verify that open-output-nowhere has same behavior

original commit: a543c2137e25931706eca97282541785b75660bf

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket