Move allowTrailingOptions into ArgParser.

R=brianwilkerson@google.com, jmesserly@google.com, nweiz@google.com

Review URL: https://codereview.chromium.org//260963007

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/csslib@35837 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/pubspec.yaml b/pubspec.yaml
index 295ff3f..81ddfd9 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,12 +1,12 @@
 name: csslib
-version: 0.9.2+1
+version: 0.9.3-dev
 author: Polymer.dart Team <web-ui-dev@dartlang.org>
 description: A library for parsing CSS.
 homepage: https://www.dartlang.org
 environment:
   sdk: '>=1.0.0 <2.0.0'
 dependencies:
-  args: '>=0.9.0 <0.11.0'
+  args: '>=0.9.0 <0.12.0'
   logging: '>=0.9.0 <0.10.0'
   path: '>=0.9.0 <2.0.0'
   source_maps: '>=0.9.0 <0.10.0'