Add SSE sink (socket.sse module)feat/sse

Implements SSE by using the replacement body sink. Replaces
the sink with an SSE parser if the response is a text stream.

Example application included

1 files changed, 9 insertions, 0 deletions

diff --git a/samples/README b/samples/README
index 4ee06b6..5fff925 100644
--- a/samples/README
+++ b/samples/README
@@ -104,6 +104,15 @@ Unix machines.  It uses the lp.lua implementation, in the
 samples directory.  Just run 'lua lpr.lua <filename>
 queue=<printername>' and the file will print!
 
+    sse.lua                 -- Server-Sent Events (SSE) client
+
+This little program uses socket.sse to connect to a text/event-stream
+URL and print each event received, stopping after a fixed number of
+them (5 by default). With no arguments it connects to a public live
+test feed, so you can try it with no setup at all. Just run
+
+        lua sse.lua [<url>] [<event-count>]
+
     cddb.lua                -- CDDB client
 
 This is the first try on a simple CDDB client. Not really