Added doctor stuff and user

ErgometerServer/DoctorThread.cs

@@ -39,7 +39,9 @@ namespace ErgometerServer
                         break;
                     case NetCommand.CommandType.CHAT:
                         server.SendToClient(input);
-                        Console.WriteLine(input);
+                        break;
+                    case NetCommand.CommandType.VALUESET:
+                        server.SendToClient(input);
                         break;
                     default:
                         throw new FormatException("Unknown Command");

ErgometerServer/Server.cs

@@ -114,6 +114,16 @@ namespace ErgometerServer
             FileHandler.SaveUsers(users);
         }
 
+        private void AddUser(Dictionary<string, string> users)
+        {
+            foreach(KeyValuePair<string, string> user in users)
+            {
+                users.Add(user.Key, user.Value);
+            }
+            
+            FileHandler.SaveUsers(users);
+        }
+
         public bool CheckPassword(string name, string password)
         {
             string pass;