Fixed godoc example for Get() and added example for FileServer

gopher_test.go

@@ -11,7 +11,7 @@ func hello(w gopher.ResponseWriter, r *gopher.Request) {
 	w.WriteInfo("Hello World!")
 }
 
-func ExampleClient() {
+func ExampleGet() {
 	res, err := gopher.Get("gopher://gopher.floodgap.com")
 	if err != nil {
 		log.Fatal(err)
@@ -23,3 +23,9 @@ func ExampleServer() {
 	gopher.HandleFunc("/hello", hello)
 	log.Fatal(gopher.ListenAndServe("localhost:7000", nil))
 }
+
+func ExampleFileServer() {
+	gopher.Handle("/", gopher.FileServer(gopher.Dir("/tmp")))
+
+	log.Fatal(gopher.ListenAndServe("localhost:7000", nil))
+}