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.
Merge pull request #71 from muyinliu/patch-1

file upload file name encoding error fixed
correct speling eror
fix warning about missing NAME keyword arg at start-thread
Merge branch 'master' of github.com:edicl/hunchentoot
Merge branch 'master' of https://github.com/markhdavid/hunchentoot
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).
Merge pull request #77 from rwiker/master

Make check for stream timeouts more robust
Add the ability to prevent the sockets from being closed after a request has been processed.
Removed a newline
Merge pull request #79 from lokedhs/master

Add the ability to prevent the sockets from being closed after a request...
Revert "Add the ability to prevent the sockets from being closed after a request..."
Merge pull request #81 from edicl/revert-79-master

Revert "Add the ability to prevent the sockets from being closed after a...

Documenting the new feature was not as easy as I hoped.  I need to follow up with loke about it.
* acceptor.lisp (started-p): New generic function.

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