* Extract pandoc function to own module
* Bump schema version
* Make string handling more explicit
* Update logging and pandoc crates
* Improve serializing error handling
* Serialize values as string (for elastic)
* Perform option doc parsing entirely in rust
* Show non pandoc'ed results as code elements
* Parse correct html string
* Change expected `option_type` type to String
* Allow treat string unparsable as html like non-docbook strings
* Improve deserializing error reporting using serde_path_to_error
* Format code
