Standalone: Added support for Python3 new 2 phase loading of extension modules
Standalone: Added support for Python3 new 2 phase loading of extension modules

* This is supported starting with 3.5, has been first observed with
  3.6 and Anaconda Python, but might be more widespread.

* This also makes "spec" production on previous Python versions using
  cached values instead of looking everything up every time.

kayhayen/Nuitka,kayhayen/Nuitka,kayhayen/Nuitka,kayhayen/Nuitka