Updating package for p5 module Text::CSV_XS from 0.65 to 0.66

Upstream changes:
2009-08-07 0.66 - H.Merijn Brand  <h.m.brand@xs4all.nl>

    * Reordered examples in doc to show best method first
    * Documentation grammatical fix (John P. Linderman, RT#46411)
    * Fail if first arg to new () is not a hash ref
    * Implement empty_is_undef on request of Evan Carroll
    * Typo in documentation (Herwin Weststrate, RT#47613)
    * error_diag () uses warn () in void context instead of STDERR
    * Add auto_diag attribute (still under construction)
    * FIX: reset attributes (after they have been set) with accessor

(sno)