small dir improvements in gemspec
small dir improvements in gemspec

segiddins/thor,flyinbutrs/thor,linkodehub/thor,fhernandez173/thor,fancyremarker/thor,b-dean/thor,flyinbutrs/thor,fancyremarker/thor,erikhuda/thor,doudou/thor,linkodehub/thor,fhernandez173/thor,b-dean/thor,segiddins/thor