diff -r 6c0609395889 -r dbf49689af0d configfile.py
--- a/configfile.py	Mon Jan 12 10:55:45 2015 +0200
+++ b/configfile.py	Thu Jan 15 19:06:14 2015 +0200
@@ -26,12 +26,19 @@
 	def set_value (self, key, value):
 		self.obj[key] = value
 		self.save()
+
+	def append_value (self, key, value):
+		if key not in self.obj:
+			self.obj[key] = []
+
+		self.obj[key].append (value)
+		self.save()
 	
 	def get_node (self, key):
 		return ConfigNode (obj=self.get_value (key, {}), name=self.keyname (key), parent=self)
 	
-	def get_nodelist (self, key):
-		data = self.get_value (key)
+	def get_nodelist (self, key, default=None):
+		data = self.get_value (key, default)
 		result = []
 		
 		for entry in data:
@@ -39,9 +46,12 @@
 			result.append (node)
 		
 		return result
+
+	def has_node (self, key):
+		return key in self.obj
 	
 	def append_nodelist (self, key):
-		data = self.get_value (key)
+		data = self.get_value (key, [])
 		obj = {}
 		data.append (obj)
 		return ConfigNode (obj=obj, name=self.keyname (key), parent=self)
@@ -76,4 +86,4 @@
 	global Config
 	Config = ConfigNode (jsondata, name=None, parent=None)
 
-init()
\ No newline at end of file
+init()