Used the idg.Generator from github

control.go

@@ -12,6 +12,7 @@ import (
 	"strings"
 	"sync"
 
+	"github.com/smcquay/idg"
 	"golang.org/x/net/websocket"
 )
 
@@ -28,7 +29,7 @@ func (h JsonHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 // Controller is the shepherd of a collection of games. The main package in
 // server simply populates one of these and starts an http server.
 type Controller struct {
-	Idg        *IdGenerator
+	Idg        *idg.Generator
 	Conf       Config
 	Games      MapLock
 	Memprofile string
@@ -40,7 +41,7 @@ type Controller struct {
 // Controller.
 func NewController(conf Config, mprof, pprof string) *http.ServeMux {
 	c := &Controller{
-		Idg:  NewIdGenerator(),
+		Idg:  idg.NewGenerator(),
 		Conf: conf,
 		Games: MapLock{
 			M: make(map[string]*Game),