Mac and Linux File Path Issue fix

encukou just let me know that the source code doesn't work on Linux or mac because of the file path!

I just uploaded another version that replaced every path with os.path.join on google drive here:

https://drive.google.com/open?id=1vxjWykoH0E8RcxzcZArF2VL5_teLOAoy

You can also watch the youtube video here:

https://www.youtube.com/watch?v=6WImKzi5NLI

Sorry for the trouble!