This module lets Makefile.PL automatically install dependencies via CPAN or CPANPLUS. * Features - Letting the user enable/disable optional dependencies. - Support sane defaults by probing for the machine's capability. - If not inside a cpan shell, use CPAN.pm to install dependencies. - Enable/disable the associated tests automatically. - Supply UNINST=1 when it is safe and possibly needed. - Checks MANIFEST to avoid unnecessary grepping of EXE_FILES. - Utilizes CPANPLUS and/or Sort::Versions where feasible. - Offers check-only and skip-all Makefile.PL targets. - Offers check-only and install-only Makefile targets. - Take advantage of the 'sudo' command where available.