I was using ZendFramework for OpenID, Caching and Session handling. I had to keep ~700 files for this, which was too much, so I just removed this dependency and added a lightweight library for OpenID support, used QCubed file caching and standard session handling. Eventually this brought more speed and less files, so it's a good thing.
Also, as a bonus, you can now authenticate with your Google account as well. Authenticating with OpenID or Google leads to a pretty ugly user name, so that takes me to adding a real name property to users.
Oh yes, and if you're wondering how Narro looks, just check this blog's background ;^)
Last but not least, I really appreciate the patience that people have in helping me to fix bugs and am glad that so many people find my work useful.