Create working directory before callProcess (#245)
Create working directory before callProcess (#245)

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