Importing: Add support importing from egg files directly
Importing: Add support importing from egg files directly

* Adding a ".egg" file on the PYTHONPATH is allowed, but wasn't working
  with Nuitka yet.

* Transparently unpacks the .egg file for use there.

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