Insist on sequences being immediate - so we can guess the next.
This makes Tragedy Series work, but breaks Sheldon.
Recognise two-digit years. This fixes Sheldon's URLs.
Like sequences, require 50% match for a date regexstr.
This fixes Help Desk, which broke in the last commit.
This test is increasingly *not* complex, and I can't stand it.
Discard useless one-entry feeds (e.g. Sluggy, Something Positive).
Skin Horse.
Update these comments.