Log Message:
Update to 1.93

Upstream changes:
1.93  2017-04-04
    - Fix a test for perl without doc in @INC (kentnl++)

1.92  2017-04-01
    - Imported tests/fixes from Text::CSV_XS 1.28
      - Fix crlf issue for csv () on Windows (RT#120466)
      - New error code for illegal argument(s)/parameter(s)
      - Fix tests for perl without dot in @INC