Added uri->string method.
Added uri->string method.

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