ClubItens and ItemDetailsByItemData

- Added methods to get club itens
- Added override to ItemRequest to get by one ItemData
- Added many new properties to Item object
Added missed file of ClubItensResponse

Added missed file of ClubItensResponse
Corrected spelling
Added method missed in merge

Added GetClubItensAsync in FutClient
Corrected spelling
Added methods to Interface
Removed properties from AuctionResponse
Corrected const of GkCoach

changed GkCoach string to GKCoach
Merge https://github.com/kauefelipe/FIFA-Ultimate-Team-2014-Toolkit