MOBI metadata: Support writing of book producer field into MOBI files. Fixes #1154353 (Command line unable to set Book Producer)
Fix #1154137 (Job progress and status not always updated)
Reduce negative check value for when to not use bounding rect with anchors.
Adding new entries to the ToC implemented
Finish up the ToC editor
What If by kisnick
MOBI metadata: When setting the language in a MOBI file also update the language field in the EXTH header. Fixes #1154351 (Command line unable to set language)