protected RealEstateSpace(string name, SpaceKeys position, PropertyGroup.Groups group, int cost, int rent)
 {
     Name = name;
     Position = position;
     Group = group;
     Cost = cost;
     Rent = rent;
 }
 public PenaltySpace(string name, SpaceKeys position, int cost)
 {
     Name = name;
     Position = position;
     Cost = cost;
 }
 public ActionSpace(string name, SpaceKeys position)
 {
     Name = name;
     Position = position;
 }
 public RailroadSpace(string name, SpaceKeys position, PropertyGroup.Groups group, int cost, int rent)
     : base(name, position, group, cost, rent)
 {
 }