Updated gdcm.py to use my patch for locating Part3.xml.
Updated gdcm.py to use my patch for locating Part3.xml.

codester2/devide.johannes,codester2/devide.johannes,ivoflipse/devide.johannes,chrisidefix/devide.johannes,ivoflipse/devide.johannes,fvpolpeta/devide.johannes,chrisidefix/devide.johannes,nagyistoce/devide.johannes,nagyistoce/devide.johannes,fvpolpeta/devide.johannes