Checklist for releasing v0.2.0 of pyprpaper:
x Allow relative path of directories to be passed.
x Use socket requests instead of subprocess calls.
x Pass monitors through command line option.

Checklist for releasing v0.2.1 of pyprpaper:
x Fix  get_socket_path() getting wrong .hyprpaper.sock,
  if there's multiple .hyprpaper.sock files.

Checklist for releasing v0.2.2 of pyprpaper:
x Sleep for .5s before unloading images.
