Refactor %RECEIVE-FROM internals.
Refactor %RECEIVE-FROM internals.

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