Log Message:
Update to 1.27

Upstream changes:
1.27	- 2017-03-02, H.Merijn Brand
    * Remove unneeded done_testing (Paul Howarth)
    * Attribute sep/sep_char is not allowed to be undefined
    * Increased test coverage: added errors 1008 and 1014
    * Default for escape_null in csv () is now false
    * It's 2017
    * New error code for illegal argument(s)/parameter(s) (RT#119827)
    * Fix tests for perl without dot in @INC
    * Fix crlf issue for csv () on Windows (RT#120466)

1.26	- 2016-11-29, H.Merijn Brand
    * Disable some Unicode related tests for unhealthy $PERL_UNICODE
      (RT#117856)
    * is_missing (0) on empty line returns 1 for keep_meta_info = true
      (issue 27 on github)