PHP DavSVN Library
I don't even know what this is or remember when I wrote this or how it's supposed to be used
References http://svn.apache.org/repos/asf/subversion/trunk/notes/subversion-design.html#protocol http://svn.apache.org/repos/asf/subversion/trunk/notes/http-and-webdav/webdav-usage.html https://svn.apache.org/repos/asf/subversion/trunk/notes/http-and-webdav/webdav-protocol