def C_GetSlotList(tokenPresent=false)
      slots = unwrapped_C_GetSlotList(tokenPresent)
      slots.map{|slot|
        Slot.new self, slot
      }
    end
def C_GetSlotList(tokenPresent=false)
      slots = unwrapped_C_GetSlotList(tokenPresent)
      slots.map{|slot|
        Slot.new self, slot
      }
    end
Obtain an array of Slot objects in the system.

 @param [true, false] tokenPresent  indicates whether the list
    obtained includes only those slots with a token present (true), or
    all slots (false);
 @return [Array<Slot>]