Finally uploaded a newer ibackup package closing the minor issue regarding wrong paths in README.Debian for ibackup.conf example file. While working with ibackup packaging, I also took the opportunity to check it's Standards-Version and bump it to the latest (18.104.22.168, ATM).
Additionally, as it seemed a good chance to convert debian/control to UTF-8, I did it. Bad idea. The upload was fine and the bug was closed, but the bug closing message was sent me to me as if it were closed by a Non-Maintainer-Upload (NMU).
I guess I will need to revert debian/control back to ISO-8859-1 in the next upload. I also started using accents in my name in debian/control (hey, UTF-8 is supposed to allow everyone to properly read them) and that's what broke everything, as my identity in GnuPG's public key isn't using accents at all.
Would it be better to change my GnuPG key identity to use accents ? Wouldn't it screw up everything and prevent me from uploading newer packages ? Anyone reading, I would like to know your opinions.