puf  --  TODO
-------------

Parts denoted with ! discuss (the benefit of) a feature.

+  let -ib & -iy mix sensibly - -xm, etc.
+  handle content-/transfer-encodings
+  header templates for client faking
+  request staggering

+  Better Proxy support

+  possibly better authorization handling (only relative? recognize 401?)

+  cookies (possibly import from other browsers)

+  make select() queues for -i files -> async url list input

+  Write better documentation

+  robots.txt handling

+  Wget-like -k switch

+  Wget-like -A, -R, -I, -X, -D switches

+  Support multioffset; download the same URL with several connections.
   Default=off.  The number of bytes per connection needs to be
   specified (for example 1 Megabyte)

+  Lower memory usage - use a tree structure

+  Support gopher
!  Who needs this nowadays?

+  Support SSL
!  Does anybody do recursive or parallel fetching from secure sites?

+  Support FTP

