Added proxy support. Bug fixes in APIHandler. RTSP support (adding)

Proxy support allows contacting the camera behind a proxy (GET and POST requests).
Adding RTSP support - still in progress.

Camera.py

@@ -4,7 +4,19 @@ from APIHandler import APIHandler
 class Camera(APIHandler):
 
     def __init__(self, ip, username="admin", password=""):
-        APIHandler.__init__(self, ip, username, password)
+        """
+        Initialise the Camera object by passing the ip address.
+        The default details {"username":"admin", "password":""} will be used if nothing passed
+        :param ip:
+        :param username:
+        :param password:
+        """
+        # For when you need to connect to a camera behind a proxy
+        APIHandler.__init__(self, ip, username, password, proxy={"http": "socks5://127.0.0.1:8000"})
+
+        # Normal call without proxy:
+        # APIHandler.__init__(self, ip, username, password)
+        
         self.ip = ip
         self.username = username
         self.password = password