Dragon Solitaire

This is a recreation of the Solitaire minigame from SHENZHEN I/O, made using DragonRuby. Rules: There are three types of cards: numbered cards, dragon cards, and the flower card. Numbered cards and dragon cards come in three suits, distinguished by color.You may move one or more numbered cards onto another numbered card in the lower decks, so long as the moved cards and the unmoved card satisfy the following rules:A card cannot be stacked on a card of the same suit.Cards must be stacked in conse...