Added GenericEventArgs and ProgressionEventArgs
Added ComparableExtension and its test.
Added DateTimeExtension and its tests.
Added some EventHandlerExtension methods.
Added some methods to NumberExtension and its tests.
Added RandomExtension and its tests.
Added methods to StringExtension.
Added CharExtension and its tests.
Added some methods to StringExtension and its tests.
Used a SharedAssemblyInfo to avoid multiple (and different) version attributes.
Switched to version 0.3