This doesn't look like it expands much on what the Go web server does and it also looks like it's been abandoned. Last commit was ~5 months ago from today, with most of the rest being 7-8 months ago and 40-something issues piled up. For some better web experiences in Go I'd check out revel[1] or gorilla[2]
1. http://robfig.github.io/revel/
2. http://www.gorillatoolkit.org/