Node, this could also be applied to the 500 related lines just below.
Return 404 HTTP status code
I applied the 404 change. I will get the 500 in there too shortly.... unless you want to do a pull request for that as well.
Return 500 HTTP code
Merge remote branch 'rob/master'
Merge branch 'master' of http://github.com/robrighter/node-boilerplate
Update dependencies; Improve 404 and 500 status code
Version 2 now sends the correct response code