zip book content (before Debug)
fix errors
cleanup & trivial changes
fix crash save as zip (before debug)
fix crash save as zip (work & cleanup)
epublib test (before debug)
generate the skeleton (before debug)
generate the skeleton (after debug)

misc error
cleanup
gather meta data
build ebook (before dev)
build ebook (before debug - 1)
build ebook (after debug - 1)
build ebook (before debug - 2)
build ebook (after debug - 2)

add epub extention
cleanup
cleanup
fix can't open ebook (before debug)
fix cant' open ebook (before debug)

set the BookID