Log Message:
Update to 0.63

Upstream changes:
0.63 Sat Jan 14 09:31:43 PST 2017
 - Fixed colors on older perls. TINITA++
 - Changed on/off to always/never. TINITA++

0.62 Fri Jan 13 22:37:55 PST 2017
 - Debug color and indent options added by TINITA++
 - Recursion controls. Apply PR/46 by @pdl++ (refactored)
 - Support Perl regex look-behind assertions