fixed dns::lookup
improved http::incoming_message
added fs::event
added util::notification_queue
added util::timer
improved uv::loop
improved uv::loop

added uv::loop::next_tick
improved uv::handle<T>
tidbits
fixed bug in util::buffer and util::string

_size will now be used to contain the visible size and
_real_size will contain the actual buffer size.
This makes it possible to cast from util::string to ::buffer.
tidbits