Widen sdk constraint to include <3.0.0 (#57)

CHANGELOG.md

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a51899..8e8680d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.6.0+1
+
+* Add explicit dependency to `package:_discoveryapis_commons`
+* Widen sdk constraint to <3.0.0
+
 ## 0.6.0
 
 * **BREAKING CHANGE:** Add generics support. Instead of writing

pubspec.yaml

diff --git a/pubspec.yaml b/pubspec.yaml
index 2f0cd16..a6514da 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,11 +1,12 @@
 name: gcloud
-version: 0.6.0
+version: 0.6.0+1
 author: Dart Team <misc@dartlang.org>
 description: Dart gcloud APIs
 homepage: https://github.com/dart-lang/gcloud
 environment:
-  sdk: '>=2.0.0-dev.54.0 <2.0.0'
+  sdk: '>=2.0.0-dev.54.0 <3.0.0'
 dependencies:
+  _discoveryapis_commons: ^0.1.6+1
   googleapis: '>=0.50.2 <1.0.0'
   googleapis_beta: '>=0.45.2 <1.0.0'
   http: '>=0.11.0 <0.12.0'