Some API's added

API's added:
- Network (get and add).
- Login (token)
- General System (only get info)
- Wifi (set, scan, get)

test.py

@@ -0,0 +1,5 @@
+from Camera import Camera
+
+c = Camera("192.168.1.100", "admin", "jUa2kUzi")
+c.get_wifi()
+c.scan_wifi()