* Added missing levels to logging menu
Added none and error options to the debug_log_level in the advance settings.
# - action
# - info
# - verbose
-debug_log_level (Debug log level) enum action ,warning,action,info,verbose
+debug_log_level (Debug log level) enum action ,none,error,warning,action,info,verbose
# IPv6 support.
enable_ipv6 (IPv6) bool true
# - action
# - info
# - verbose
-# type: enum values: , warning, action, info, verbose
+# type: enum values: , none, error, warning, action, info, verbose
# debug_log_level = action
# IPv6 support.