Unhandled notice message in authentication

[Sandeep Pawar]

Problem:
Notice messages not handled in authentication. Nzgo terminates with marking this response as unexpected response.

2021-07-16 05:19:51 EST [17647] [DEBUG] nzgo.(*conn).Conn_processAuthResponse 2939 : Backend response  R
2021-07-16 05:19:51 EST [17647] [DEBUG] nzgo.(*conn).Conn_processAuthResponse 2947 : Backend response  0
2021-07-16 05:19:51 EST [17647] [DEBUG] nzgo.(*conn).Conn_processAuthResponse 2939 : Backend response  N
2021-07-16 05:19:51 EST [17647] [FATAL] nzgo.(*conn).Conn_processAuthResponse 2968 : Unexpected response: 'N'

[Sandeep Pawar]

#40