def to_hash_with_values
      keys = table_header_keys
      values = self
      @hash_with_values = {}
      keys.each_with_index {|k,i| v=values[i]; v=v.value if v; @hash_with_values[k]=v}
      return @hash_with_values
    end
def to_hash_with_values
      keys = table_header_keys
      values = self
      @hash_with_values = {}
      keys.each_with_index {|k,i| v=values[i]; v=v.value if v; @hash_with_values[k]=v}
      return @hash_with_values
    end
Returns a hash representation of this row

 it differs from #to_hash as it doesn't contain the Workbook's Workbook::Cell-objects,
 but the actual values contained in these cells

 @return [Hash]