Ensure that we get only messages for the current child
Last modification time of folders in Document Archive cannot be trusted. Force refetch every two days.
Make asEMail survive missing linked inline images
asEmail: Survive/skip also other kinds of faulty inline images, e.g., "unknown url type: webkit-fake-url"
Update README.md with info about what to do when you get a UnicodeEncodeError
Hopefully fix #5. Gracefully handle faulty inline images.
Fix code blocks in README.md
Add option to skip using cached files
Fix #6. Main table on frontpage not found.