Ok, I have reverted back to version 1.17x, (i.e. r86547). It seems to be working, but if I change the repository path to a different repository and re-run,
php svnImport.php <my-project> all
All the old versions are still showing up on the webpage, is there something I need to remove, i.e. the tables pertaining to the Code Review extension, or, does this extension create an svn repository somewhere locally that needs to be recreated?