min cost and logging

- added ability to have a minimum point cost so that we can filter games like 1P out
 - updated logging to log INFO to stdout and DEBUG to a debug.log file which gets rotated

src/log.py

@@ -1,13 +1,20 @@
 import logging
-import sys
+from logging.handlers import RotatingFileHandler
 
-Log_Format = "%(levelname)s %(asctime)s - %(message)s"
+# log info level logs to stdout and debug to debug file
 
-logging.basicConfig(stream = sys.stdout,
-                    filemode = "w",
-                    format = Log_Format,
-                    level = logging.INFO)
+log_format = "%(levelname)s %(asctime)s - %(message)s"
+logging.basicConfig(
+        handlers=[RotatingFileHandler('./debug.log', maxBytes=100000, backupCount=10)],
+        level=logging.DEBUG,
+        format=log_format)
 
+stream = logging.StreamHandler()
+stream.setLevel(logging.INFO)
+stream_format = logging.Formatter(log_format)
+stream.setFormatter(stream_format)
 
 def get_logger(name):
-    return logging.getLogger(name)
+    l = logging.getLogger(name)
+    l.addHandler(stream)
+    return l