 o Look out for TODO-Directives in the sources (grep TODO src/*)
 o testing, testing, bug-reporting and fixing :)
 o password database (in .netrc format)
 o better ascii mode transfer (resume etc)
 o configure.in -> look what the system provides -> use it in the source
 o scripting support
 o ipv6 compatibility
 o HTTP/1.1 PUT / WebDAV
 o SSL Support (sftp)
 o int64 support
(o)I forgot what it is(???)

# closesocket for proxy-server too
# need to close sockets on socket-failures?
# print a list of all failed fsession when exiting.
# add an option for keep-permissions. so restore the file-permissions
  using the SITE chmod command
# some error-messages are given twice or even more times in different
  code-levels. check them and remove unneccessary ones.
