Added new python test file, and made __echo respond with users JSVM

python_client

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+
+import sys
+
+import socket
+
+HOST = 'localhost'    # The remote host
+PORT = int(sys.argv[1]) # The same port as used by the server
+s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+s.connect((HOST, PORT))
+s.send('__hello 0')
+fs = s.makefile()
+data = fs.readline()
+token = data.split(" ")[0]
+print "Token:", token
+
+s.send(token+" __echo 0 msg")
+data = s.recv(1024)
+print data
+
+s.close()
+