* Fix issue with engine not being available to download
* Add version caches to ffmpeg downloader
* Remove some test parameters
* "releases" should be "release" in linux ffmpeg url
* CPU was incorrectly reported as OS
* Fix naming structure for FFMPEG downloads for linux
* More linux ffmpeg work
* Improved error handling
* WIP
* Consolidate platform reporting to not use platform directly
* Fix missing folder name
* Fix project output naming
* Undo config.yaml commit
* Add is_engine_available API call
* Fix issue where subjobs would not find servers
* Add is_engine_available_to_download API call
* Fix issue with worker never throwing error if engine is not found
* Add API call to get most recent engine version
* Fix some minor import issues
* Fix web urls
* Fix default server log level
* Add progress bar for project download worker_factory downloads missing engine versions
* Better error handling when invalid version is given
* Add timeouts to engine downloaders