Here are the latest modifs for mod_lisp/mod_lisp2:
mod_lisp: Case insensitive parsing of the lisp header names for compatibility with mod_lisp2
mod_lisp2: Fixed lisp_handler to allow for no Content-Length header [Tim Howe]
mod_lisp is on the mod_lisp repository: http://www.fractalconcept.com:8000/public/open-source/mod_lisp
There is also a tarball of the current repository here: http://www.fractalconcept.com/download/mod_lisp-current.tgz
Marc