+ that.trace = function(x) { _log(mkws.trace, x) };
+ that.debug = function(x) { _log(mkws.debug, x) };
+ that.info = function(x) { _log(mkws.info, x) };
+ that.warn = function(x) { _log(mkws.warn, x) };
+ that.error = function(x) { _log(mkws.error, x) };
+ that.fatal = function(x) { _log(mkws.fatal, x) };