Fixes nodeapps/http-server#31 by adding rudimentary logging
-res, fix if () spacing, remove unused util require
[fix] Add ref to undefined `res`.
added --cors option (see nodeapps/http-server#43)
[fix] Properly observe the `-s|--silent` option for request logging. Bug in #44.
[bin dist] Add command line switch for opening the browser

`-o` opens the browser after server is started.
[bin] Try to use `process.env.PORT`
[dist] Version bump. 0.6.0
Merged upstream changes
Updated basic auth with a lighter dependency. Tests pass.