Proper return on empty project dir.
Proper return on empty project dir.

fxtentacle/tilemill,Zhao-Qi/tilemill,paulovieira/tilemill-clima,mbrukman/tilemill,florianf/tileoven,nyimbi/tilemill,Zhao-Qi/tilemill,tizzybec/tilemill,isaacs/tilemill,nyimbi/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,makinacorpus/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,florianf/tileoven,tilemill-project/tilemill,nyimbi/tilemill,nyimbi/tilemill,MappingKat/tilemill,paulovieira/tilemill-clima,isaacs/tilemill,Zhao-Qi/tilemill,mbrukman/tilemill,mbrukman/tilemill,tilemill-project/tilemill,MappingKat/tilemill,tizzybec/tilemill,MappingKat/tilemill,florianf/tileoven,nyimbi/tilemill,fxtentacle/tilemill,tizzybec/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,tilemill-project/tilemill,Zhao-Qi/tilemill,paulovieira/tilemill-clima,MappingKat/tilemill,Zhao-Qi/tilemill,fxtentacle/tilemill,MappingKat/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,paulovieira/tilemill-clima,makinacorpus/tilemill,fxtentacle/tilemill,paulovieira/tilemill-clima,Teino1978-Corp/Teino1978-Corp-tilemill,tizzybec/tilemill,isaacs/tilemill,mbrukman/tilemill,tizzybec/tilemill,mbrukman/tilemill,fxtentacle/tilemill