TODO.txt

 `+` is scheduled before 1.0 release
 `-` definitely not blocks 1.0 release (but still may be done)

 Websockets:
 + Add error pages for http polling
 - Review ws.js, limit number of requests, introduce queue, data batching
 - Implement pseudo peer-to-peer communication support (?)
 + Make Push by default (probably in the 0.6 or 1.0)

 Static:
 * implement directory index
 * implement cache

 + Check EINTR in all zmq_send
 + Check what happens on ECONNRESET, EPIPE
 + Check working server with ZMQ_HWM's set on sockets
 - Implement fallback routes
 + Maintainance page
 + Allowed methods, and max-body-size
 + Add access logging
 - Authentication and simple authorization
 * Configuration reloading
 - HTTPS
 - Add server name-version header
 - Configuration of zeromq devices in zerogw config
 - Figure out how to implement SDCH
 - Replace ugly offsetof's to SHIFT macro
 - Add another kind of forwarding (pushing) requests for statistics