title: TortoiseSVN unable to connect to repository when folder contains no files
body: <p>TortoiseSVN navigates my repository just fine except when I navigate to a folder that contains no files at which point it says...</p>
  
  <blockquote>
    <p>Unable to connect to a repository at URL 'http://www.blah.com/svn/'.
    The OPTIONS request returned invlaid XML in the response: XML parse error at line 1: no element found (http://www.blah.com/svn/)</p>
  </blockquote>
  
  <p>I don't have this problem when using a web browser.</p>