1 v hints, data for non-existing ranges
2 * opens multiple channels to the same address
4 v RTT calculations need improvement (test)
5 v google-log is unnecessary
6 * reduce template use (peer queue)
11 v check hints agains ack_out?_
12 v check data against ack_in
13 v channel suspend/wake. 3 cong modes state machine - ???
14 * release hints for a dormant channel
15 * minimize the number of template instantiations
16 v Channel thinks how much it HINTs a second,
17 picker thinks which HINTs are snubbed
18 * files <1sec download : how HINTs are sent?
19 v dead Channels are not killed => cannot open a new one
20 (have a channel already)
21 v peers don't cooperate
22 * RecoverProgress fails sometime
23 v leecher can't see file is done already
24 * why leecher waits 1sec?
26 * file operations are not 64-bit ready
27 http://mail.python.org/pipermail/patches/2000-June/000848.html