code: public static Integer[] sequence(final Integer from, final Integer to) {
          return sequence(from, to, Integer.valueOf(from <= to? 1 : -1));
      }
docs: <p>
  Produces an array with a sequence of integer numbers.
  </p>
  
  @param from value to start the sequence from
  @param to value to produce the sequence to
  @return the Integer[] sequence
  
  @since 1.1.2