What's New

This is just a bug-fix/update release.

    * Fixed: manual links to home.html changed to index.html (Robert Hahn)
    * Fixed: mime.unb64() returns empty string on results that start
      with a null character (Robert Raschke)
    * Fixed: HTTP now automatically redirecting on 303 and 307 (Jonathan Gray)
    * Fixed: sleep(-1) could sleep forever wasting CPU. Now it
      returns immediately (MPB);

    * Improved: FTP commands are now sent in upper case to
      help buggy servers (Anders Eurenius)
    * Improved: known headers now sent in canonic
      capitalization to help buggy servers (Joseph Stewart);
    * Improved: Clarified tcp:receive() in the manual (MPB);  

    * Fixed: multicast didn't work on Windows (Herbert Leuwer, Adrian Sietsma)
    * Fixed: select() reports an error when called with more
      sockets than FD_SETSIZE (Lorenzo Leonini)