Tool to check duplicates

Hi,

Sure, I can do that. I'm just a bit unsure if the best place is in the code repository
or if it would be better to have on the Wiki somewhere, which would make it easier
to download and use. But at the same time I haven't found any good place on the
wiki yet so I'll put it where Eike suggests. Sorry for rambling. :slight_smile:

Med vänlig hälsning
Niklas Johansson