Include robot Id in the Stats structure that gets sent back to the client

robot.go

@@ -33,8 +33,8 @@ type Robot struct {
 	Hit            bool        `json:"hit"`
 	Probe          *v.Point2d  `json:"probe"`
 	ProbeResult    *Collision  `json:"probe_result"`
-	gameStats      *BotStats   `json:"-"`
-	Delta          float64     `json:"-"`
+	gameStats      *BotStats
+	Delta          float64 `json:"-"`
 	idg            *idg.Generator
 }
 
@@ -101,6 +101,7 @@ func (s AllRobotSorter) Less(i, j int) bool {
 
 // Stats is the point allocation for a Robot.
 type Stats struct {
+	Id            string
 	Hp            int     `json:"hp"`
 	Speed         float64 `json:"speed"`
 	Acceleration  float64 `json:"acceleration"`