I think a huge feature uberSVN is missing is an administration option to update certificates. This seems like a dirt simple thing to do. 1. Interface to upload the Cert files (including a chain file like GoDaddy uses).
2. Alter the extras/httpd-ssl.conf template to use a chain fail if one is added (this works if manually altered).
I think it would be fine to simply overwrite the existing file name with the new cert files.
Manually doing this seems to work fine so really all it needs is an interface.