+ Replaced mp4decrypt with shaka-packager
+ Fix logger not correctly setting level from arguments
+ switched all os.system to subprocess.Popen
+ extra verbosity, external commands will now print their output to make debugging much MUCH easier
+ Fixed a problem with shaka-packager failing on files with a comma
+ adds the feature from the `id-as-course-name` branch to use the course id as the output directory name instead of the course name. this is useful to reduce the path length
+ Updated readme to reflect recent code changes
+ Add colored console logging
+ Add file logging
+ Refactor code
+ Add `--log-level` argument
+ Moved constant variables to separate file
+ Renamed some variables to be consistent throughout the program (`concurrent_connections` -> `concurrent_downloads`, `access_token` -> `bearer_token`)
+ If a keyfile isnt detected, we only warn the user instead of warning and exiting
+ External links are now written to their own shortcut file (they are still written to a single file still also) (#26)
+ Arguments `load-from-file` and `save-to-file` are no longer suppressed
+ Added Quiz URL
+ bump version
+ Fixed mis-named variable
+ Removed unused ``working_dir`` code
+ Fixed issue with course info feature not working
+ Added versioning system to help with debugging
+ Updated requirements file
