* Retry if the generated list of subtopics is detected as being invalid. An observed example is when an invalid numbering of subtopics was generated.
0.2.1
* Update the prompt which lists subtopics to avoid including fluff or filler content. To some extent, this should prevent any irrelevant subtopics, making each generation slightly smaller. This however **invalidates any prior work cache on disk**.
0.1.5
* As necessary, make more than one attempt to get the voice. This is useful because the first attempt sometimes obtains an invalid voice.