Log Message:
Updating devel/p5-Path-Class from 0.19nb1 to 0.21

Upstream changes:
0.21 - Tue Aug 17 19:13:13 CDT 2010
 - Don't test the 'iomode' option under 5.6, because layers aren't
   supported yet.
 - Fixes to spelling errors in the docmuentatino. [Ansgar Burchardt
   and Debian patchers]