You make a good point, and I don't necessarily even feel comfortable doing that. I just don't want them stealing my code and turning it around and using it for

You make a good point, and I don't necessarily even feel comfortable doing that. I just don't want them stealing my code and turning it around and using it for other clients. We are, technically, competitors. I'll figure out why they want SVN access and make it very clear that they can't modify or use my code at all without my consent.