go run torrent.go [--n int] [--u string [--o string]] [--o string] [--v bool]
--n Number of goroutines to download from
--o Output filename of specified resource
--u Url of resource to download [requires -o]
--v Verify etag == md5 hash of output file
go run torrent.go --v=true --o=bigfile.mp4 --n=10
go run torrent.go
go run torrent.go --v=false --u=http://download.blender.org/peach/bigbuckbunny_movies/BigBuckBunny_320x180.mp4 --o=bigbuchbunny.mp4
go run server.go && ./test.sh
--r Rate of throttling for the server