code: public void addSection(final Section SECTION) {
          if (null == SECTION) return;
          sections.add(SECTION);
          Collections.sort(sections, new SectionComparator());
          fireUpdateEvent(SECTION_EVENT);
      }
docs: Adds the given Section to the list of sections.
  Sections in the Medusa library
  usually are less eye-catching than Areas.
  
  @param SECTION