Add generic overload for `IFakeOptionsBuilder<T>.Implements`

Currently, to implement an additional interface on a fake, we have to write this:

A.Fake<IFoo>(o => o.Implements(typeof(IBar))

It would be more convenient to write it like this:

A.Fake<IFoo>(o => o.Implements<IBar>())

It’s a minor change, but it contributes to make the API more fluent IMO.

The only drawback is that this overload has to be added to the IFakeOptionsBuilder<T> interface, it can’t be an extension method. The reason is that the extension method would need to have 2 type parameters, and since it’s not possible to specify only one and let the compiler infer the other, we would have to specify both explicitly.

[blairconrad]

@thomaslevesque, thanks very much for your work on this issue. Don’t bother looking for your name in the release notes. 🔑

This issue has been fixed in release 2.0.0.

[blairconrad]

@thomaslevesque, I was wondering if you were going to catch that. I did feel bad that you didn’t make it onto the list, but I thought it would also look a little funny. That’s the price you pay for power, I guess.