message: Bump version prep for release
diff: [package]
  name = "nats"
  -version = "0.15.2"
  +version = "0.16.0"
  description = "A Rust NATS client"
  authors = ["Derek Collison <derek@nats.io>", "Tyler Neely <tyler@nats.io>", "Stjepan Glavina <stjepan@nats.io>"]
  edition = "2018"
  