Update utils.js

Websocket, fixed frame length number shifting to 32bits (4Gb limit per message).
Updated version number
Merge pull request #168 from asessa/patch-2

Update utils.js
added: middleware (file, websocket)
clean code
updated: version
fixed: utils.request()
new changes
updated: better test
updated: version
added: Response.send(), Response.json()
fixed: res.send() + extend unit test
removing quotes from mail.smtp.options
Merge pull request #170 from josephpconley/master

removing quotes from empty-project/config mail.smtp.options
added: String.parseConfig()
many changes
Fix source string parse
Merge pull request #172 from tohachan/master

Fix source string parse
Revert "Merge pull request #172 from tohachan/master"

This reverts commit 4bf32be4e5b0c4f39bd8903d1e8f9fbb1665c52d, reversing
changes made to a9466e7c0e6fc423d5166454206720752f883577.
fixed: view engine parser
updated: middleware