lib: add missing `new` for errors lib/*.js

lib: add missing `new` for errors lib/*.js

Not including `new` adds a useless frame and removes a potentially
useful frame.

PR-URL: https://github.com/iojs/io.js/pull/1246
Reviewed-By: Petka Antonov <petka_antonov@hotmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Brendan Ashworth <brendan.ashworth@me.com>