Moving to paste server to serve the requests

piphone.py

@@ -390,7 +390,7 @@ class Call(object):
 def start():
     global running
     running = True
-    threads.submit(app.run)
+    threads.submit(app.run, server='paste')
     loop.run_until_complete(listen())
 
 def stop():

requirements.txt

 bottle
 bottle-sqlite
+Paste
+PyJWT
 requests
 six
 websockets
-PyJWT