code: function convertRawBoolean(rawColumnValue, column, context)
  {
    var ret;
  
    if ((rawColumnValue === '1') || (rawColumnValue === 'TRUE'))
    {
      ret = true;
    }
    else if ((rawColumnValue === '0') || (rawColumnValue === 'FALSE'))
    {
      ret = false;
    }
  
    return ret;
  }
docs: Converts a raw column value of type Boolean to a boolean (true, false,
  or null).
  
  @param {String} rawColumnValue
  @param {Object} column
  @param {Object} context
  
  @returns {Boolean}