Update pubspec to v0.3.1+1
diff --git a/pubspec.yaml b/pubspec.yaml
index 758c325..06b97c5 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: initialize
-version: 0.3.1
+version: 0.3.1+1
 author: Polymer.dart Authors <web@dartlang.org>
 description: Generic building blocks for doing static initialization.
 homepage: https://github.com/dart-lang/initialize