v0.19.0

• Add struct.encode and struct.decode methods (doc)
  • May be useful when working with data.values to obtain plain map or list values
• Add via=Function keyword arg for @overlay/replace annotation (doc)
  • Useful to programmatically build on old and new values being replaced
    • Example: overlay that prefixes values with some string

b64726d2ad5cb6edd31f4614f3e8bdb07bf6238466cd73a5104bc868afd04b70  ./ytt-darwin-amd64
9a2e5660db970c76a7cadfbcf145b65119854aa3f259550335ae8485a2b8f160  ./ytt-linux-amd64
6913debdbfa3e31fb158abbea51b45e61170f56571ccf33084471b8e47016752  ./ytt-windows-amd64.exe

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