Update 'Class_Diagram'

Class_Diagram.md

@@ -279,7 +279,7 @@ package Model <<Frame>> #bada55 {
   
   package Games #daf {
   
-    class GameRunner $done {
+    class MasterOfCeremonies $done {
       {static} +PlayGame(game: Game)
       +StartNewGame(string, IManager<Player>, [*] Die): Game
     }
@@ -298,10 +298,9 @@ package Model <<Frame>> #bada55 {
 }
 
 
-GameRunner --> "[*] -games" Game
-GameRunner -left-> "T <-- <KeyValuePair<string, [*] Die>>" IManager
-GameRunner -down-> "T <-- <Player>" IManager
-GameRunner -up-|> "T <-- <Game>" IManager
+MasterOfCeremonies -left-> "T <-- <KeyValuePair<string, [*] Die>>" IManager
+MasterOfCeremonies -down-> "T <-- <Player>" IManager
+MasterOfCeremonies -up-> "T <-- <Game>" IManager
 
 Game --> "T <-- <Player>" IManager