Log Message:
Update to 0.63

Upstream changes:
0.63      2014-03-25 16:37:58Z
 - fix test prereq on Test::Warnings (thanks, omega!)

0.62      2014-03-07 05:44:01Z
 - fix test that assumes option parsing is case-insensitive, which is no
   longer true with Getopt::Long::Descriptive 0.097