fix #276
fix #276

Ignore-this: 5a89c94dd666d43f63953c06c7bd96ea

#require "lwt" --> #require "lwt.simple-top"

darcs-hash:20120327192754-c41ad-f944ed0c0a03235dbe0a2558cab4ac2ac12d570c.gz

avsm/lwt-OLD,avsm/lwt-OLD