BUG: Added support for int and unsigned int.
BUG: Added support for int and unsigned int.

KitwareMedical/TubeTK,cdeepakroy/TubeTK,sumedhasingla/TubeTK,KitwareMedical/TubeTK,KitwareMedical/ITKTubeTK,sumedhasingla/TubeTK,aylward/ITKTubeTK,aylward/ITKTubeTK,sumedhasingla/TubeTK,KitwareMedical/TubeTK,KitwareMedical/ITKTubeTK,KitwareMedical/ITKTubeTK,aylward/ITKTubeTK,KitwareMedical/ITKTubeTK,thewtex/TubeTK,aylward/ITKTubeTK,cdeepakroy/TubeTK,KitwareMedical/TubeTK,sumedhasingla/TubeTK,cdeepakroy/TubeTK,cdeepakroy/TubeTK,thewtex/TubeTK,thewtex/TubeTK,thewtex/TubeTK