Prepare to release 0.0.17 (dart-lang/stream_transform#76)

Add a changelog and bump the version.
diff --git a/pkgs/stream_transform/CHANGELOG.md b/pkgs/stream_transform/CHANGELOG.md
index 25a42a7..9b8ab29 100644
--- a/pkgs/stream_transform/CHANGELOG.md
+++ b/pkgs/stream_transform/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.0.17
+
+- Add concrete types to the `onError` callback in `tap`.
+
 ## 0.0.16+1
 
 - Remove usage of Set literal which is not available before Dart 2.2.0
diff --git a/pkgs/stream_transform/pubspec.yaml b/pkgs/stream_transform/pubspec.yaml
index d61018e..a9be968 100644
--- a/pkgs/stream_transform/pubspec.yaml
+++ b/pkgs/stream_transform/pubspec.yaml
@@ -2,7 +2,7 @@
 description: A collection of utilities to transform and manipulate streams.
 author: Dart Team <misc@dartlang.org>
 homepage: https://www.github.com/dart-lang/stream_transform
-version: 0.0.17-dev
+version: 0.0.17
 
 environment:
   sdk: ">=2.2.0 <3.0.0"