[node.js] Check synchronously if file/directory exists in Node.js

[node.js] Most middleware (like logger) is no longer bundled with Express and must be installed separately... (0)	2015.06.09
[node.js] express cookie-parser (0)	2015.06.09
[node.js] file upload (0)	2015.06.09
[node.js] bodyParser deprecated (0)	2015.06.09
[node.js] .router' is deprecated! (0)	2015.06.09

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