Update net.py

This change avoid the unbearable error related to "utf codec can't decode".

Author: humblepoti

pythonwhois/net.py

@@ -91,4 +91,9 @@ def whois_request(domain, server, port=43):
 		if len(data) == 0:
 			break
 		buff += data
-	return buff.decode("utf-8")
+	try:
+		d = buff.decode("utf-8")
+	except UnicodeDecodeError:
+		d = buff.decode("latin-1")
+	
+	return d