+2004-01-14 Benoit Regrain
+ * src/gdcmHeaderEntry.[h|cxx] : gdcmElValue -> gdcmHeaderEntry
+ * src/gdcmHeaderEntrySet.[h|cxx] : gdcmElValSet -> gdcmHeaderEntrySet
+ * src/*.[h|cxx] : make changes due to class name changes
+ * gdcmPython/demo/*.py : bug fix due to method names
+