file upload file name encoding error fixed

While uploading a file with name using non-ASCII character, hunchentoot lead to charset encoding error.  This fix shows a solution.
Update request.lisp

commented out code has been removed.
correct speling eror
fix warning about missing NAME keyword arg at start-thread
release 1.2.27
Make check for stream timeouts more robust

Use explicit feature check for stream-{read,write}-timeout, instead of
checking for specific Lispworks versions (which will have to be extended
for each new major release).
* acceptor.lisp (started-p): New generic function.

* packages.lisp (#:hunchentoot): Export it