scope fixes; put uptime to conf()

local_config.py.skel

@@ -1,5 +1,7 @@
 #!/usr/bin/python
 
+import time
+
 if '__main__' == __name__:
 	print '''this is a config file, which is not meant to be executed'''
 	exit(-1)
@@ -13,6 +15,8 @@ config['bot_owner'] = 'FIXME'
 config['hist_max_count'] = 5
 config['hist_max_time'] = 10 * 60
 
+config['uptime'] = -time.time()
+
 # the "dice" feature will use more efficient random data (0) for given users
 config['enhanced-random-user'] = ( 'FIXME', 'FIXME' )