This project uses symlinks, so if you're on Windows, make sure you have symlink support installed (see here).
Windows:
git clone --recurse-submodules -c core.symlinks=true https://github.com/crassSandwich/card_typer
*nix:
git clone --recurse-submodules https://github.com/crassSandwich/card_typer
After cloning, run build.py
with Python 3 to generate required source code files.