Added rescale button. Doesn't work for the first few tries after a change in histogram... (#6)
Merge branch 'master' of https://github.com/dannyblackstock/iat-355-drivebc-events-hist
Rescale histogram now works as it should (#6)
Improve commenting
Looks weird but works for all 3 colour blind types
Improved colour blinds so it works with greyscale