FileZilla 1.8 released

It has been some time since the last release, but finally there's FileZilla v1.8.
This is new:
- ftp api rewritten
- new interface to ftp api
- directory cache
- added internal options cache, increases performance
- added HTTP1.1 and SOCKS4A proxy support
- support for single-line (Open)VMS directory listing
- several bug fixes