Pierre-Yves David <pierre-yves.david@octobus.net> [Wed, 07 Aug 2019 22:02:49 +0200] rev 42744
rawdata: register the method for `ifiledata`
The interface have a `revision(..., raw=False)` method so it should get a
`rawdata` one. I am not sure why nothing complained about the lack of it
earlier.