+ [n] Added support for part- and book- title pages to EPUB output
+ writer. (multiple cs, primarily the "epub parts and books"
+ [n] Added the --front-page and --back-page command line options and
+ corresponding __init__ options to EpubWriter to generated pages can
+ properly link to static pages. (cs 0e8f853d02af)
+ [n] Added html-esc templ function to EPUB writer, to escape a string for
+ HTML. (cs 60d7f4a76f2c)
[n] Added processing of license related meta values for EPUB, to add