Francesco Urbani

Hi, thanks for checking this out. I actually haven't tried that, sorry. I just went straight from the [protocol](https://raw.githubusercontent.com/urbanij/IR-remote-Canon/master/protocol.png?raw=1) to the actual pulses.

This PR adds Exif information to "file info". Example here: 

Updated using `exiv2`. Works using `brew install exiv2` on macOS and `apt install libexiv2-dev` on Linux (no submodules).