wrapping
improvements on JsArrayToListAdapter
add JsObjectToMapAdapter
Merge branch 'master' into wrapping
fix deprecations and dart changes
simplify cast with List and Map containing Serializables
Merge branch 'master' into wrapping

Conflicts:
	pubspec.yaml
Merge branch 'master' into wrapping
Merge pull request #52 from a14n/wrapping

Provide a way to wrap js