Thin layer above the Pipeline2 Web Service API to invoke specific scripts.
(daisy3-to-daisy202 input output-dir)
(daisy3-to-epub3 input & {:keys [mediaoverlays assert-valid], :as opts})
(epub3-to-daisy202 input & {:keys [temp-dir output-dir], :as opts})
(validate input & {:keys [mathml-version check-images], :as opts})