Log Message:
p5-Text-CSV_XS: update to 1.34.

1.34	- 2017-11-05, H.Merijn Brand
    * 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)