2.0.1

SECURITY FIXES

• Resolve RUSTSEC-2021-0020 via #45

FEATURES

• Update tested Vault releases to include latest versions.

• Migrate CI testing to Github actions.

• Add support for custom secret types (#44).

  The new secret types allow for managing arbitrary data in Vault
  as long as the data is serializable!

BREAKING CHANGES

• Rust 1.42 is now required