Added write buffer and zero copy methods to HTTPRequest class.
Added message to handler errors.
Added definitions for ECONNRESET and EPIPE.
Added verbose output to error on invalid writes.
Removed inlining of writes to allow a  fairer yielding to IOLoop.
Split _handle_write into const and non-const methods.
Call send only once per _handle_write instead of while loop until EWOULDBLOCK to minimize syscalls, this decision needs more thought....
Fixes to StaticHandler which now puts out 15Gbps on my laptop.
Fixed checking of wrong key.
Fixed indentation.
Fixed coding style.
Removed FIXME. Yes, it is needed.