IsNull and IsNotNull methods are now able to conserve the checked type (instead of retrieving an object.

Now, InheritsFrom is returning void (not linkable anymore)
Updates the relaase note.
Renames the Properties extension method for IEnumerable to Extracting.
Updates the version number.
Makes IsSameReferenceThan, IsDistinctFrom, HasFieldsWithSameValues and HasNotFieldsWithSameValues checks now able to conserve the checked typed (instead of loosing it by converting it into a object).
Merge remote-tracking branch 'upstream/master'