buildout ignores Content-Disposition header

I think it's sourceforge.net's recentish redesign that is causing this to appear.

This may be Windows specific and is best demonstrated with markdown.

This will work:
easy_install markdown==2.0.3

But installing it with buildout will not and results in the following:

error: Couldn't find a setup script in c:\users\kylemac.buildout\dlcache\dist\download
An error occured when trying to install Markdown 2.0.3.
Look above this message for any errors thatwere output by easy_install. While: Installing omelette.
Getting distribution for 'markdown==2.0.3'. Error: Couldn't install: Markdown 2.0.3

"c:\users\kylemac.buildout\dlcache\dist\download" is actually Markdown-2.0.3.win32.exe. I believe it saved itself as "download" due to the URLs at http://sourceforge.net/projects/python-markdown/files/ when it should probably get the filename from the Content-Disposition header instead.

Bonus bug: type in the error message, i.e. "thatwere".