Add pylintrc stuff

.pylintrc

+[MESSAGES CONTROL]
+disable=line-too-long,
+	missing-docstring,
+	invalid-name,
+	locally-disabled,
+	too-many-arguments,
+	too-many-branches,
+	redefined-outer-name,

check_local_unread_emails

@@ -167,7 +167,7 @@ in_headers = True
 status = None
 def handle_msg_info():
     """ Handle message info after detecting a new one (or at the end) """
-    global total_msg, read_msg, unread_msg, unread_messages, current_message, status
+    global total_msg, read_msg, unread_msg, unread_messages, current_message, status  # pylint: disable=global-statement
     if not current_message:
         return
     log.debug('Handle msg "%s" info (Status = %s)', current_message, status)