added generics to DataMap
removed .DS_Store
removed unnecessary .DS_Store
added types to DataReference
Added generics to DataList
Added generics to DataSet
Merge pull request #38 from cleandart/onChange

Add onChange grouping support.
bugfix: removed, added, strictlyChanged items of changeset are now complete decomposition
Merge branch 'master' of github.com:cleandart/clean_data

Conflicts:
	pubspec.yaml
	test/change_set_test.dart
Lots of new Tests + refactor json manipulation on changeset.
applyJson works also on not cleanData
Refactor
bugfix: DataList should notify when inserting (at the end of the list)
Update version
Merge pull request #39 from cleandart/refJSON

Lots of new Tests + refactor json manipulation on changeset.
version inc
Merge branch 'master' into generics

Conflicts:
	.gitignore
	lib/src/data_reference.dart
	test/data_set_test.dart
Merge pull request #37 from cleandart/generics

Generics added to DataMap
Update pubspec.yaml