* changes in the evaluation of sessionInfo
* added Errors struct
* changed error handling if FFmpeg not present
* fixed error loggin thanks to the new Errors struct
* minor fix after changes in sanitizeUrls
* fix for succsesful execution and unknown code
* Simplify main
* Fix init
* Cleaner output for the end user
* Fix extractVideoGuid after sync with dev
* TokenCache: Make variable private
nit: switch to import
* Add option to disable video thumbnails
* Create a unique file name to avoid overwrite
* Remove os dependency
* Reimplement simulate
* Update README
Co-authored-by: @kylon
Co-authored-by: @snobu
