Update to 1.34
    
    - New upstream release 1.34
      - Bad arg for formula (like "craok") will now die with error 1500
      - Row report in formula reporting was off by 1
      - Add a prominent section about BOM handling
      - Make sheet label more portable (csv2xlsx)
      - Allow munge => \%hash
      - Preserve first row in csv (set_column_names => 0)