4.0.0-beta.1

• {Breaking} Drops support for .NET 4.0, Windows Phone and Silverlight.
• {Breaking} Dropped all existing plug-ins.
• {Breaking} Replaced the IAutoMother interface with the new IObjectMother interface.
• {Breaking} Removed the Asynchronously extension method.
• {New} Targets .NET Standard 1.1 and 2.0.
• {New} Uses an internalized Autofac instead of TinyIoc.
• {New} Allows building generic object mothers that are used as a fallback in case a more specific does not exist.