git-unreleased-vimplugins: oops
git-unreleased-vimplugins: change output format
git-unreleased-vimplugins: add --all option to show up-to-date plugins
git-unreleased-vimplugins: rename variable
git-unreleased-vimplugins: --all shows also plugins whose same commits are not found
git-unreleased-vimplugins: refactoring
git-unreleased-vimplugins: rename key string: 'name' -> 'github_name'