def adjust_size_to(size, adjust=" ", orientation=:left)
			if self.size > size
				truncate(size, omission: '')
			elsif orientation == :left
				ljust(size, adjust)
			else
				rjust(size, adjust)				
			end
		end
def adjust_size_to(size, adjust=" ", orientation=:left)
			if self.size > size
				truncate(size, omission: '')
			elsif orientation == :left
				ljust(size, adjust)
			else
				rjust(size, adjust)				
			end
		end
Formata o tamanho da string
 para o tamanho passado
 se a string for menor, adiciona espacos a direita
 se a string for maior, trunca para o num. de caracteres