miyagawa/carton — pull request #180 by masaki (2014-08-12 12:40:51+00:00)
Title: can select cpanm "-l" or "-L"

allow following option:
```
carton install --skip-installed
```

it selects cpanm options `-l | --local-lib` and `-L | --local-lib-contained`.
(`-l` can skip already installed modules)