Constructor

Deck()
{
    for (int i = 2; i<15; i++)
    {
        HeartCard a((CardValue)i);
        deck.push_back(a);
    }
    for (int i = 2; i<15; i++)
    {
        DiamondCard a((CardValue)i);
        deck.push_back(a);
    }
    for (int i = 2; i<15; i++)
    {
        ClubCard a((CardValue)i);
        deck.push_back(a);
    }
    for (int i = 2; i<15; i++)
    {
        SpadesCard a((CardValue)i);
        deck.push_back(a);
     }
}