+Mon Oct 18 10:27:49 2005 by regrain
+ * Correctly use the VRKey for all vr variables... instead of TagName
+ or std::string
+ * Replace the definition of VRKey from std::string to a class
+ containing a char[2]. All methods are inline to have no speed low
+ * Create the GDCM_VRUNKNOWN = " " for the VR values
+
Mon Oct 18 10:27:49 2005 by regrain
* Remove useless constructor of gdcm::Document
* Remove useless parameter in the constructor of gdcm::ElementSet