Fix NROD-UPCASE and NROD-DOWNCASE.
Fix NROD-UPCASE and NROD-DOWNCASE.

lispnik/iolib,dkochmanski/iolib,lispnik/iolib,dkochmanski/iolib,tiago4orion/iolib,lispnik/iolib,tiago4orion/iolib,shamazmazum/iolib,attila-lendvai/iolib,deadtrickster/iolib,dkochmanski/iolib,vsedach/iolib-simple-mux,attila-lendvai/iolib,shamazmazum/iolib,sionescu/iolib,tiago4orion/iolib,deadtrickster/iolib,shamazmazum/iolib,deadtrickster/iolib,sionescu/iolib,attila-lendvai/iolib,sionescu/iolib,vsedach/iolib-simple-mux