Mobipocket update

Cover images (when available) and a linked table of contents are now created for each Mobipocket document whenever possible. Most files have cover images, but not all files have the right kind of chapter headers — it’s a long, boring story, but not every file that’s added to manybooks.net’s collection has chapter headings that can be automatically parsed.

I think my original tests used a file without the right kind of chapter headers or something…

At any rate, if you find mobipocket files with problems please let me know!

ok