Smalltalk… with static types.

Nothing to see here. Fixes to get Strongtalk working on MacOS. Strongtalk uses 32bit tagged pointers everywhere. It will be sometime before this fork will actually run -- it compiles though. So that that's good. There are thousands of warnings. At a glance, there are many for string literals being passed around as plain char pointers. There are more for stdcalls in the compiler... and more...

Open the Xcode project in build.osx. Enjoy.

See jirkadanek's notes on building for Linux and Windows. No guarantee that this fork will work, though.

Right now, massive breakage. Hopefully, we'll see a clean build under C++17 or later.