On Win64, linking the python dll currently fails with 'unresolved external symbol PyObject_Unicode'.
On Win64, linking the python dll currently fails with 'unresolved
external symbol PyObject_Unicode'.

Building _ssl than hangs the build server because starting python.exe
displayes a message box that 'Python30.dll' cannot be found.

Temporary (?) solution: Look for existance of python30.dll and fail
the _ssl build when it is missing.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator