Correctly scope x functions to do color packing and unpacking. Fixes #255.
Correctly scope x functions to do color packing and unpacking. Fixes #255.

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