v0.2.0

• Various minor improvements

e37f55e1dbd3ace7daf6ab8356c11f8104af1601f92ba96eebc57aa74c18cfa4  ./imgpkg-darwin-amd64
57a73c4721c39f815408f486c1acfb720af82450996e2bfdf4c2c280d8a28dcc  ./imgpkg-linux-amd64
4162afbc306ee8cda19dc25c3187ab761f4f388b64ea60425e1613be40bda304  ./imgpkg-windows-amd64.exe

(Installation instructions: https://k14s.io/#install-from-github-release)