This one is related to .deb control file, and trivial to fix, so You can leave it for later, and don't worry about it now Those are also easy fixable after having code ready for release, so You can ignore it for now, too.
Here my knowledge ends But it seems, that ade's ideas are good start. Despite what he said, he already achieved nice feats with developing, (ones, that I can only dream about) so listen to him.
BTW, keeping my thumbs for it, and I'm honored, that You've took my little set of scripts as guinea pig