Makefile.python: try curl if wget fails Macs ship with curl and not wget, so this is a nice little tweak for folks testing on OS X.

test-https: glob error messages more so we pass on Python 2.7.9 Python 2.7.9 cleans up how it stringifies SSL errors, so we have to look only for the important bit (certificate verify failed) rather than looking for specific ssl module goop (which is now unstable).