Add item to todo list.

README.rdoc

@@ -175,6 +175,9 @@ If anyone has a more elegant solution to this problem I am very interested in se
 
 == To-do List
 
+* handle OVER_QUERY_LIMIT error
+  * raise exception? maybe only when address! or search! is called
+  * print warning?
 * support DataMapper, Mongoid, etc
 * use completely separate "drivers" for different AR adapters?
   * seems reasonable since we're using very DB-specific features