Fix lobby time display

lobby.py

@@ -122,7 +122,7 @@ class Lobby:
 
         # Clear
         now = datetime.now().time()
-        time = f"{now.hour}:{now.minute}"
+        time = f"{now.hour}:{str(now.minute).zfill(2)}"
         self.addChatEntry(time, pseudo, message)
         self.message.set('')
 
@@ -215,7 +215,7 @@ class NetworkManager:
 
     def sendMessage(self, pseudo, message):
         now = datetime.now().time()
-        time = f"{now.hour}:{now.minute}"
+        time = f"{now.hour}:{str(now.minute).zfill(2)}"
 
         self._sendPacket('ChatAdd',  f"{time};{pseudo};{message}")