Fix emulator failing to find root path when run from command line
Fix emulator failing to find root path when run from command line

Problem was that argv[0] would only contain the name of the executable, "vectrexy.exe", when run from cmd.exe, and did not include the path portion. Now we use fs::absolute to turn it into a full path.

amaiorano/vectrexy,amaiorano/vectrexy,amaiorano/vectrexy