fix separations when feed has none of a stream's components
fix separations when feed has none of a stream's components

gonuke/cycamore,Baaaaam/cyCLASS,gonuke/cycamore,rwcarlsen/cycamore,jlittell/cycamore,Baaaaam/cycamore,Baaaaam/cyBaM,jlittell/cycamore,rwcarlsen/cycamore,Baaaaam/cycamore,gonuke/cycamore,Baaaaam/cycamore,jlittell/cycamore,rwcarlsen/cycamore,rwcarlsen/cycamore,Baaaaam/cyBaM,jlittell/cycamore,Baaaaam/cyBaM,Baaaaam/cyCLASS,Baaaaam/cyBaM,gonuke/cycamore