Log Message:
Update from version 0.72 to version 0.73.

Upstream changes:
2010-05-03 0.73 - H.Merijn Brand   <h.m.brand@xs4all.nl>

    * Improve date conversion in examples/csv2xls
      new option -D allows column selection for date conversions
    * Tested under perl-5.12.0 (and 21 other versions of perl)
    * Added a note about EBCDIC data files
    * Test suite is now safe for parallel test (prove --shuffle -j6)