Add TODO about cutting down more goroutines in the future.
Add TODO about cutting down more goroutines in the future.

raboof/net,cmars/tools,gomini/net,cmars/tools,golang/net,albertjin/golang-net,cesanta/goxnet,DramaFever/golang.org-x-net,cmars/tools,raboof/net,DramaFever/golang.org-x-net,albertjin/golang-net,cmars/tools,cesanta/goxnet,gomini/net