Write log as binary file in Python 3

Fixes

      File "bin/srv.py", line 101, in log_query
        my_file.write(log_entry.encode('utf-8')+"\n")
    TypeError: can't concat str to bytes

Author: abitrolly

bin/srv.py

@@ -96,9 +96,9 @@ def log_query(ip_addr, found, topic, user_agent):
     """
     Log processed query and some internal data
     """
-    log_entry = "%s %s %s %s" % (ip_addr, found, topic, user_agent)
-    with open(CONFIG["path.log.queries"], 'a') as my_file:
-        my_file.write(log_entry.encode('utf-8')+"\n")
+    log_entry = "%s %s %s %s\n" % (ip_addr, found, topic, user_agent)
+    with open(CONFIG["path.log.queries"], 'ab') as my_file:
+        my_file.write(log_entry.encode('utf-8'))
 
 def get_request_ip(req):
     """