Add a little demo of a SPORE client to call a function of the demo program

examples/demo/sporeclient.py

@@ -0,0 +1,18 @@
+import spyre
+import spyre.middleware
+
+
+class CTypeHeader(spyre.middleware.Middleware):
+    def __call__(self, env):
+        env.setdefault('spore.headers', [])
+        env['spore.headers'].extend([
+            ('Accept', 'application/json'),
+            ('Content-Type', 'application/json')
+        ])
+
+
+demo = spyre.new_from_url('http://127.0.0.1:8080/ws/api.spore')
+demo.enable(CTypeHeader)
+demo.enable('format.Json')
+
+print demo.helloworld().content