Be aggressive on 5.12
Carp::Heavy can't be downgraded
Undo previous optimisation as it causes confusion
Spell satisfied right, allow --dev
normalise dev version
Add misc corelist data
try an even crazier approach to sterilizing
fix syntax errors
Cleanup compile failures
Make file loading more obvious, skip installs if versions are undef
Skip CPANPLUS::Backend on 5.12.5
Blacklist Carp::Heavy on 5.12.5
make clean/protect/skip diags clearer
Blacklist DB_File on 5.12.5
Blacklist Exporter::Heavy
Blacklist Fatal from 5.12.5
Blacklist DB_File on 5.19.0
blacklist AttributeHanlders on 5.8.9
blacklist Carp::Heavy on 5.10
Blacklist win32 on 5.12