added assq-set
added comments about various versions of format
move assq-ref and assq-set out of cond-expand block
make sagittarius inbound port textual
started on general http procedure
removed some unused code
adjust transcoder for sagittarius network ports so write-string, read-line, etc work as expected
use textual network ports
removed some commented-out code
adjust depends for (seth http)
adjust depends for (seth memcache-client)