Replace some stdout output with stderr #820
Replace some stdout output with stderr #820

@chrisdone see anything wrong with this?

martin-kolinek/stack,keent/stack,AndreasPK/stack,wolftune/stack,bixuanzju/stack,harendra-kumar/stack,sjakobi/stack,mrkkrp/stack,anton-dessiatov/stack,agrafix/stack,sjakobi/stack,tedkornish/stack,Blaisorblade/stack,achernyak/stack,fizruk/stack,ant1441/stack,bollu/stack,cabrera/stack,Denommus/stack,athanclark/stack,Heather/stack,DanielG/stack,Andrew-the-Ubergeek/stack,luigy/stack,rekka/stack,wolftune/stack,ant1441/stack,cabrera/stack,bixuanzju/stack,meiersi-11ce/stack,deech/stack,Andrew-the-Ubergeek/stack,AndrewRademacher/stack,rrnewton/stack,Fuuzetsu/stack,rrnewton/stack,AndrewRademacher/stack,lukexi/stack,markus1189/stack,juhp/stack,DanielG/stack,deech/stack,phadej/stack,lukexi/stack,supermario/stack,bollu/stack,sinelaw/stack,mathhun/stack,athanclark/stack,meiersi-11ce/stack,mathhun/stack,rvion/stack,rubik/stack,mrkkrp/stack,Heather/stack,akhileshs/stack,narrative/stack,vigoo/stack,MaxGabriel/stack,MichielDerhaeg/stack,robstewart57/stack,keent/stack,phadej/stack,rekka/stack,MaxGabriel/stack,martin-kolinek/stack,kairuku/stack,AndreasPK/stack,adinapoli/stack,luigy/stack,harendra-kumar/stack,adinapoli/stack,kairuku/stack,Denommus/stack,tedkornish/stack,juhp/stack,robstewart57/stack,sinelaw/stack,supermario/stack,rvion/stack,vigoo/stack,Blaisorblade/stack,agrafix/stack,akhileshs/stack,achernyak/stack,narrative/stack,fizruk/stack,MichielDerhaeg/stack,rubik/stack,markus1189/stack,Fuuzetsu/stack,anton-dessiatov/stack