 1) Some commands for creating a lecture title page.
 2) Perhaps add an way of showing photos of the authors and the
    institutes in a convenient way.
 3) Add more artwork.
 4) Add an faq section.
 5) Better color management.
 6) Add miniframes and list of frames.
 7) Make section and subsections breakable in sidebars.
 8) Add options for showing only part of the TOC in sidebars.
