Ensure only telnetliquidsoap has telnet responsibilities

-also added module docstrings

python_apps/std_err_override/LogWriter.py

@@ -1,6 +1,17 @@
+"""
+    std_err_override.LogWriter
+    ~~~~~~~~~
+
+    This module presents a simple function to reroute output intended
+    for stderr to the output log file.
+
+    :author: (c) 2012 by Martin Konecny.
+    :license: GPLv3, see LICENSE for more details.
+"""
+
 import sys
 
-class LogWriter():
+class _LogWriter():
     def __init__(self, logger):
         self.logger = logger
     
@@ -8,4 +19,8 @@ class LogWriter():
         self.logger.error(txt)
 
 def override_std_err(logger):
-    sys.stderr = LogWriter(logger)
+    """
+    Create wrapper to intercept any messages that would have been printed out 
+    to stderr and write them to our logger instead.
+    """
+    sys.stderr = _LogWriter(logger)