text: Title: Multiple images for live face recgonition
  Body: How do I use multiple image sources for 1 person and is it possible for the "load_image_file" to take images from a directory of the same person?
  
  Code extracted from facerec_from_webcam_faster.py:
  
  Load a sample picture and learn how to recognize it.
  obama_image = face_recognition.load_image_file("obama.jpg")
  obama_face_encoding = face_recognition.face_encodings(obama_image)[0]
  
  Load a second sample picture and learn how to recognize it.
  biden_image = face_recognition.load_image_file("biden.jpg")
  biden_face_encoding = face_recognition.face_encodings(biden_image)[0]