Added an iteritems to ChannelsDictionary and made it into an IterableMap.

src/ircdb.py

@@ -519,7 +519,7 @@ class UsersDB(object):
     
 
 
-class ChannelsDictionary(object):
+class ChannelsDictionary(utils.IterableMap):
     def __init__(self, filename):
         self.filename = filename
         Set = sets.Set
@@ -549,6 +549,9 @@ class ChannelsDictionary(object):
         """Reloads the channel database from its file."""
         self.__init__(self.filename)
 
+    def iteritems(self):
+        return self.dict.iteritems()
+
 
 ###
 # Later, I might add some special handling for botnet.