debug-logdown:调试 + 注销项目合二为一

调试登录 + = 每个功能都很棒的 Markdown 日志记录。 例子 var log = require ( 'debug-logdown' ) ( 'test-log' ) , worker = require ( 'debug-logdown' ) ( 'worker' ) ; log . log ( 'log.log with *bold keywords*' ) ; log . info ( 'log.info with **emphasis is also bold**' ) ; log . warn ( 'log.warn about the `code samples`' ) ; log . error ( 'log.error there is an *ERROR*' ) ; worker . log ( 'worker.log can *be bold too