Add missing dependency on pkg/meta

And a tiny strong-mode fix
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..aca61a5
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,3 @@
+## 0.14.0+1
+
+* Add a missing dependency on `pkg/meta`.
diff --git a/pubspec.yaml b/pubspec.yaml
index 0bedbf6..b030500 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,9 +1,11 @@
 name: observable
-version: 0.14.0
+version: 0.14.0+1
 author: Dart Team <misc@dartlang.org>
 description: Support for marking objects as observable
 homepage: https://github.com/dart-lang/observable
 environment:
   sdk: '>=1.19.0 <2.0.0'
+dependencies:
+  meta: '^1.0.4'
 dev_dependencies:
   test: '^0.12.0'
diff --git a/test/observable_list_test.dart b/test/observable_list_test.dart
index 51f07bf..0a29fa3 100644
--- a/test/observable_list_test.dart
+++ b/test/observable_list_test.dart
@@ -313,7 +313,7 @@
 
 ObservableList list;
 
-_lengthChange(int oldValue, int newValue) =>
+PropertyChangeRecord _lengthChange(int oldValue, int newValue) =>
     new PropertyChangeRecord(list, #length, oldValue, newValue);
 
 _change(int index, {List removed: const [], int addedCount: 0}) =>