On the way to gdcm2 ...

On the way to gdcm2 ...
Now, the stand way to use a file is :

gdcm::File *f = new gdcm::File();
f->SetLoadMode ( user say here what he wants *not* to load );
f->SetFileName("myFile.gdcm");
f->Load();

Old styles are kept, not to break the C++ API.
   - gdcm::File *f = new gdcm::File("myFile.gdcm");
	- f->Load("myFile.gdcm");

Due to the syntaxic abilities of Python maybe some troubles will occur
(not sure ...)