docs: public Map<String, INIProperty> getProperties(String pstrSection)
      {
          Map<String, INIProperty>        hmRet = null;
          INISection objSec = null;
  
          objSec = (INISection) this.mhmapSections.get(pstrSection);
          if (objSec != null)
          {
              hmRet = objSec.getProperties();
              objSec = null;
          }
          return hmRet;
      }