Initial work on #70
Initial work on #70

Doesn't seem to be working yet, as can be tested by running `stack
build` inside warp.

soenkehahn/stack,keent/stack,AndrewRademacher/stack,cabrera/stack,tedkornish/stack,Fuuzetsu/stack,agrafix/stack,vigoo/stack,joozek78/stack,Denommus/stack,Andrew-the-Ubergeek/stack,robstewart57/stack,GaloisInc/stack,anton-dessiatov/stack,cocreature/stack,athanclark/stack,supermario/stack,supermario/stack,wskplho/stack,harendra-kumar/stack,narrative/stack,wolftune/stack,MichielDerhaeg/stack,sinelaw/stack,akhileshs/stack,akhileshs/stack,chadbrewbaker/stack,bollu/stack,MaxGabriel/stack,ant1441/stack,robstewart57/stack,harendra-kumar/stack,sjakobi/stack,markus1189/stack,soenkehahn/stack,mietek/stack,cabrera/stack,rubik/stack,duplode/stack,anton-dessiatov/stack,fizruk/stack,rrnewton/stack,luigy/stack,vigoo/stack,juhp/stack,mathhun/stack,sjakobi/stack,agrafix/stack,joozek78/stack,phadej/stack,markus1189/stack,achernyak/stack,Fuuzetsu/stack,DanielG/stack,rekka/stack,mrkkrp/stack,chreekat/stack,rvion/stack,meiersi-11ce/stack,CRogers/stack,lukexi/stack,GaloisInc/stack,phadej/stack,AndreasPK/stack,luigy/stack,MichielDerhaeg/stack,Blaisorblade/stack,deech/stack,achernyak/stack,keent/stack,mathhun/stack,chreekat/stack,bollu/stack,DanielG/stack,hesselink/stack,lukexi/stack,Denommus/stack,deech/stack,martin-kolinek/stack,k-bx/stack,AndreasPK/stack,Andrew-the-Ubergeek/stack,rrnewton/stack,chadbrewbaker/stack,Heather/stack,CRogers/stack,MaxGabriel/stack,wolftune/stack,cocreature/stack,AndrewRademacher/stack,adinapoli/stack,Blaisorblade/stack,bixuanzju/stack,rubik/stack,wskplho/stack,athanclark/stack,k-bx/stack,kairuku/stack,rekka/stack,fizruk/stack,kairuku/stack,tedkornish/stack,adinapoli/stack,narrative/stack,martin-kolinek/stack,meiersi-11ce/stack,sinelaw/stack,bixuanzju/stack,juhp/stack,Heather/stack,rvion/stack,ant1441/stack,duplode/stack,mrkkrp/stack