Concat to bytes not str (#33)

Author: DomAmato

Hologram/CustomCloud.py

@@ -325,7 +325,7 @@ def __incoming_connection_thread(self, clientsocket):
         clientsocket.settimeout(RECEIVE_TIMEOUT)
 
         # Keep parsing the received data until timeout or receive no more data.
-        recv = ''
+        recv = b''
         while True:
             try:
                 result = clientsocket.recv(MAX_RECEIVE_BYTES)