the error "
Unexpected exception during AJAX call:[object Error]
method was GET
request url was ajax_svn_get_latest_revision.php?svn_url=svn%3A//localhost/myrepo
Logged In: YES
Are you using IE6 or below? Groogle supports IE7/firefox 3. If you are using IE6, then you'll notice a lot of CSS layout problems too, as well as the AJAX errors.
I don't have an IE6 host to test and fix this error at the moment.
Latest version (0.8.0), verified against IE7.