[Wpf] Value converters are now singleton objects. Added a TypedValueConverter abstract class for convenience a reworked existing converters.
[Mvvm] Merged SetAutoValue and SetValue methods in the ViewModelBase class
[Wpf] Added namespace prefix to assembly info
[Mvvm] Added a resource file for exceptions and improved commands
[Mvvm] Removed some intermediate/binary files from the repository
[Mvvm][Wpf][Types] Fixed output directory for debug build
[Wpf] Added a demo project for value converters
Updated .gitignore