Fix typo bug

correct the typo “_symbol” to “symbol” in if statement.
Fix bug.

Forget to add the method about “addCard”
Re-write method <createDeck>

Re-write the super-class method <createDeck> to use for Set card deck.
Re-write method <createDeck>

Re-write the super-class method <createDeck> to use for Playing card
deck.
Add Tab Bar Controller

1. Add Tab Bar Controller.
2. Link two tab to <SetCardGameView> and <PlayingCardGameView>