per-message deflate compression fixes

examples/chat/broadcast-server.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+
+import os
+import asyncio
+import websockets
+
+connections = set()
+
+async def echo(websocket, path):
+
+    connections.add(websocket)
+
+    try:
+        async for message in websocket:
+            print(message)
+
+            for ws in connections:
+                if ws != websocket:
+                    await ws.send(message)
+    except:
+        raise
+    finally:
+        connections.remove(websocket)
+
+
+asyncio.get_event_loop().run_until_complete(
+    websockets.serve(echo, 'localhost', 8080))
+asyncio.get_event_loop().run_forever()