use JSON from the convert package since dart:json is deprecated
updated the json methods
Merge pull request #86 from nikgraf/master

use JSON from the convert package since dart:json is deprecated
Getting ready to publish for 0.4.0
moving 0.4.0 out of dev
Fixes dart-gde/discovery_api_dart_client_generator#91
Merge pull request #92 from belua/master

Fixes dart-gde/discovery_api_dart_client_generator#91
update for pub release
Using dart:js instead of package:js

Tested using dart-sdk r28990

Using package:js: (dart2js -- minify)

2.4M	out/web/index.html_bootstrap.dart.js
3.0M	out/web/index.html_bootstrap.dart.precompiled.js

Using dart:js: (dart2js --minify)

344K	out/web/index.html_bootstrap.dart.js
524K	out/web/index.html_bootstrap.dart.precompiled.js

Can't test in r29341 because of other issues with.
Merge pull request #94 from belua/master

Using dart:js instead of package:js
move to -dev