pfind and pfilesearch fixes

As discussed here:

https://forum.puppylinux.com/viewtopic.php?p=72713#p72713

pfilesearch has been fixed, PET bumped to 2.3.

Enhancement implemented for pfind, see git commit:

https://github.com/bkauler/woofq/commit/ebf4033109dfa3034d4f750429b8cce35d61e16f   

Tags: easy