fix #41 by adding DataContractAttribute to PropertyChangedBase
Allow Navigation Service to handle hardware back button. Fixes #42
Remove underlying exception in SettingsService. Fixes #48
Don't use LayoutUpdated sender. Fixes #56
Convention for WP8.1 Pivot. Fixes #65
make ActionMessage.ApplyAvailabilityEffect more robust to null values (#47)
fix BindingScope.FindNamedDescendants crashed on DependencyObjects
add View.InDesignMode property
update version
Corrected assembly version
add check for async CanClose (#86)
virtualize PropertyChangedBase Refresh #69