Tests: Made the library compilation test work with Python3.3 as well.
Tests: Made the library compilation test work with Python3.3 as well.

* This new test revealed nothing, but there are little Python3 packages
  on the system.

* Still good to improve coverage.

* Some cleanups as well.

wfxiang08/Nuitka,tempbottle/Nuitka,tempbottle/Nuitka,kayhayen/Nuitka,kayhayen/Nuitka,wfxiang08/Nuitka,kayhayen/Nuitka,tempbottle/Nuitka,wfxiang08/Nuitka,wfxiang08/Nuitka,tempbottle/Nuitka,kayhayen/Nuitka