password dialog added and console_bottombar updated

console_bottombar

-Subproject commit ff0434370a4229019a2cefcb01bb159325ff96b2
+Subproject commit fa26893496c744f416a1ee0193824075b3709330

mqtt-sniffer.py → mqtt_sniffer.py

 import argparse
 from console_bottombar import BottomBar
+import getpass
 import json
 import mqtt
 import os
     if not args.no_credentials:
         if args.username == None:
             args.username = input("Username: ")
-        password = ""
+        password = getpass.getpass(prompt='Password: ', stream=None) 
     else:
         password = None