Support shelf 0.7.0.

R=kevmoo@google.com

Review URL: https://codereview.chromium.org//1658333002 .
diff --git a/.gitignore b/.gitignore
index 5cd143d..65593da 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 packages
 pubspec.lock
+.packages
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 34eca8f..a11b141 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.1.0+3
+
+* Support version `0.7.0` of `shelf`.
+
 ## 0.1.0+2
 
 * Support version `0.6.0` of `shelf`.
diff --git a/pubspec.yaml b/pubspec.yaml
index 0e3ddfb..44202b6 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,12 +1,12 @@
 name: shelf_proxy
-version: 0.1.0+2
+version: 0.1.0+3
 author: Dart Team <misc@dartlang.org>
 description: A shelf handler for proxying requests to another server.
 homepage: https://github.com/dart-lang/shelf_proxy
 dependencies:
   http: '>=0.9.0 <0.12.0'
   path: '>=1.0.0 <2.0.0'
-  shelf: '>=0.5.2 <0.7.0'
+  shelf: '>=0.5.2 <0.8.0'
 dev_dependencies:
   browser: '>=0.10.0 <0.11.0'
   scheduled_test: '>=0.11.0 <0.12.0'