…s_states in docs
POE::Loop::Select. Add an ASSERT_DATA test to both, to see if some code is ever executed.
…ds a nasty loop spin when there are no pending events.
POE::Component::Server::TCP and POE::Wheel::SocketFactory. Tweak POE::Wheel::FollowTail to match some patterns that emerged now that a second wheel has been redocumented.