def customer_active?(code = nil)
      subscription = customer_subscription(code)
      if subscription[:canceledDatetime] && subscription[:canceledDatetime] <= Time.now
        false
      else
        true
      end
    end
def customer_active?(code = nil)
      subscription = customer_subscription(code)
      if subscription[:canceledDatetime] && subscription[:canceledDatetime] <= Time.now
        false
      else
        true
      end
    end
Get an array representation of a single customer's current subscription
 @throws CheddarGetter_Response_Exception if the response type is incompatible or if a $code
 is not provided and the response contains more than one customer
 @return array