code: public void addTimeSection(final TimeSection SECTION) {
          if (null == SECTION) return;
          getTimeSections().add(SECTION);
          getTimeSections().sort(new TimeSectionComparator());
          fireTileEvent(SECTION_EVENT);
      }
docs: Adds the given TimeSection to the list of sections.
  Sections in the Medusa library usually are less eye-catching
  than Areas.
  @param SECTION