Usage:
  ./cv_2015 -d <device_num>
  ./cv_2015 -f <filename>
  
Options:
  -d --device <device_num>  Device mode; Use camera device at /dev/video<device_num>
  -f --file <filename>      File mode; Use a file located at <filepath>
  --no-networking           No Networking Mode; Runs without waiting for a ping from localhost
  --headless                Headless mode; Runs without a GUI
  --debug                   Prints code execution flags