Fix typos in data files, stage xlxx files
Clear objects and save deep copies of them to list, so as not to keep overwriting the existing one. Also make some quantities lists and save sums/averages of them rather than summing as we parse.
Fix distance recording
Add octane decoder and fix weighted average function
Add dollars to output file
Fix time/days misnaming.
Put coded drivers into output file, make driver a string, use median driver.
Make a coding for make and model, write these to output file.