v0.4.0

Add many more licenses to the default green license list.

Commits

• feat: expand default green licenses (#24) 5a83c47
• chore: fix typos. (#27) e611191
• Add Greenkeeper badge 🌴 (#26) 9295d27
• chore: allow LicenseChecker to be created with no args (#25) a47879c
• chore: use a better version tag matcher in circleci config (#23) 17f758b
• chore: update packages with latest versions (#22) 25ce7e9
• fix: npm publish must be done after npm install. (#21) a9e7112