User
	INTEGER	UserID
	STRING	Username
	
	STRING	PasswordHash	; < Hmm... needed?
	INTEGER	PinCode
	
	INTEGER	Balance
	DATETIME	LastSeen
	BOOL	bEnabled
	BOOL	bCokeMember
	BOOL	bWheelMember
	BOOL	bInternal
	
	
Card -> User
	STRING	CardID
	INTEGER	UserID