code: public static String dequote(String str, char quote)
      {
          // Is there anything to dequote?
          if (str == null)
          {
              return null;
          }
  
          return dequote(str, 0, str.length(), quote);
      }
docs: Undoubles the quotes inside the string <br> Example:<br>
  <pre>
  hello""world becomes hello"world
  </pre>
  
  @param str input string to dequote
  @param quote the quoting char
  
  @return dequoted string