code: public void init(Converter converter, int iBitNumber, boolean trueIfMatch, boolean bTrueIfNull)
      {
          super.init(converter);
          m_iBitNumber = iBitNumber;
          m_bTrueIfMatch = trueIfMatch;
          m_bTrueIfNull = bTrueIfNull;
      }
docs: Initialize this converter.
  @param converter The field to set the bit in (Should be a NumberField).
  @param iBitNumber The bit number to set with this converter (0 = L.O. bit).
  @param trueIfMatch Return true if this bit is on (if this variable is true).