mongo.rb in mongo-0.0.2

- old
+ new

@@ -1,6 +1,7 @@
 require 'mongo/mongo'
 require 'mongo/objectid'
+require 'mongo/dbref'
 require 'mongo/message'
 require 'mongo/db'
 require 'mongo/cursor'
 require 'mongo/collection'
 require 'mongo/admin'