Widen dependencies to match Dart SDK deps

pubspec.yaml

Index: pubspec.yaml
diff --git a/pubspec.yaml b/pubspec.yaml
index 2099def2f7fdbdbd8f8f755c53d3dc66f7620036..927801e10457394c518b9bbb0a9ad666a7bd152b 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: dev_compiler
-version: 0.1.0
+version: 0.1.1

[Jennifer Messerly, 2015/06/11 20:40:56]

bumped version because want to publish this w/ StrongChecker API

 description: >
   Experimental Dart to JavaScript compiler designed to create idiomatic,
   readable JavaScript output.
@@ -11,12 +11,12 @@ dependencies:
   cli_util: ^0.0.1
   crypto: ^0.9.0
   html: ^0.12.0
-  logging: ">=0.9.3 <0.12.0"
+  logging: ">=0.9.2 <0.12.0"
   path: ^1.3.0
-  shelf: ^0.6.0
+  shelf: ">=0.5.6 <0.7.0"
   shelf_static: ^0.2.1
   source_maps: ^0.10.0
-  source_span: ^1.1.2
+  source_span: ^1.0.2
   yaml: ^2.1.2
 dev_dependencies:
   # We pin a specific version to ensure everyone is formatting the code exactly