Logging and bugfix for http crawler

crawl_server/__init__.py

@@ -0,0 +1,10 @@
+import logging
+from logging import FileHandler
+
+logger = logging.getLogger("default")
+logger.setLevel(logging.DEBUG)
+
+formatter = logging.Formatter('%(asctime)s %(levelname)-5s %(message)s')
+file_handler = FileHandler("crawl_server.log")
+file_handler.setFormatter(formatter)
+logger.addHandler(file_handler)