message: Update version number and changelog.
diff: @@ -4,7 +4,7 @@ authors = [
  "Brook Heisler <brookheisler@gmail.com>",
  ]
  name = "criterion"
  -version = "0.3.5"
  +version = "0.3.6"
  edition = "2018"
  description = "Statistics-driven micro-benchmarking library"
  