Adding available auth methods

wicd/networking.py

@@ -645,6 +645,16 @@ class Wireless(Controller):
         """
         return self.wiface.GetOperationalMode(iwconfig)
 
+    def GetAvailableAuthMethods(self, iwlistauth):
+        """ Get the available authentication methods for the interface. 
+        
+        Returns:
+        The available authentication methods of the interface as a string, or
+        None if the auth methods can't be found.
+        
+        """
+        return self.wiface.GetAvailableAuthMethods(iwlistauth)
+
     def GetIwconfig(self):
         """ Get the out of iwconfig. """
         return self.wiface.GetIwconfig()