Working
Fixed critical save bug
Fixed exception
Merge branch 'wp7' of github.com:Sebazzz/SDammann.WindowsPhone.Utils into wp8

Conflicts:
	src/SDammann.Utils.Base/Collections/ObjectModel/ViewModelObservableCollection.cs
	src/SDammann.Utils/SDammann.Utils.csproj
	src/SDammann.Utils/packages.config