Handelers:

 - Write access for filter (gzip) and tar handlers
 - External (e.g. mc-style)
 - Built in
    o floppy (via mtools)
    o FTP
    o HTTP
  
Structural:
 
 - Caching
 - Logging, and messages
 - Symlink handeling in switch.c (this IS a vfs layer function isn't it?)
 - Symlink handeling across virtual file systems (well, maybe not...)

Misc:

 - Autoconf style configure
 - Documentation
 - Make it LGPL (ask permission from the MC and the GNU tar people)
