[OT] Perl question

[David <dbree duo-county com>]

Sorry for this OT question, but I know the folks here are quite capable
of answering this - as well or more so on a specific Perl list.

Anyway, I'm contemplating playing around with building some Perl modules
- with MakeMaker.  It would be nice to install them rather than
constantly invoking "use lib" once I get them "halfway decent".  Of
course, no doubt, I would be doing a lot of "fixing" and
re-installing.  Is there any danger of mucking up my system by doing
so?  If you replace a module, is it advisable/necessary to uninstall
the old version first?  Does "make uninstall" remove everything
cleanly?  I am aware of .packlist and wonder if it will be cleaned up
correctly.

These may be some unnecessary questions, but thought I'd ask before
jumping in and perhaps messing things up badly.