tei2epub 1.0 release candidate, and docbook2epub released

Two updates to the epub-tools Python code libraries:

tei2epub has been updated to version 1.0b2 as a release candidate.
docbook2epub has been released

The two libraries share common code which is automatically included in any ZIP bundle to handle general ePub tasks, including packing the ZIP file correctly. This required some significant updates to tei2epub, which no longer [...]