PySys_SetPath must go after Py_Initialize

I believe (but have not confirmed) it is because PySys_SetPath calls PySys_SetObject, which retrieves the sysdict from the Python thread state, which is not initialized until Py_Initialize. Cheers!
Merge pull request #410 from theY4Kman/patch-2

PySys_SetPath must go after Py_Initialize