Update to 1.53 (rhbz#2251219)
- New upstream release 1.53
- Two casts for -Wformat (GH#50)
- Add --skip-empty to csv2xlsx
- Add --font and --font-size to csv2xlsx
- Fix skip_empty_rows ("skip") and trailing newlines (GH#52)
- Fix comment in last line (CPAN RT#150501)