[Major Changes since 1.5]
- Support fixed version search with @version and ~"version range"
- MetaCPAN and BackPAN search using MetaCPAN API
- --dev to install developer releases
- Install via git:// URL (with @branch, tag or commit)
- Better MYMETA version range and cpanfile support
- No fallback to search.cpan.org, which means you can't install from command names