--- 
+++ 
@@ -108,15 +108,13 @@
 		return True
 
 class Configuration(object):
-	def __init__(self, path, vars = {'callbacks': {}}):
+	def __init__(self, path, vars = {'callbacks': {}, 'config_paths' = []}):
 		self.vars = vars
 
 		def include(file):
 			c = Configuration(file, self.vars)
 
 		self.vars['include'] = include
-		self.vars['config_paths'] = []
-		self.vars['callbacks'] = {}
 
 		print_verbose("Reading configuration file : %s" % path)
 		f = open(path)