luna_lms.MODI - Class to define the valid presentation modes for learning content. luna_lms.storage.storage.Storage - Prototype class to handle all storage. Should be subclassed by implementations. luna_lms.storage.file_storage.FileStorage - This class stores data in a folder hierarchy on disk. luna_lms.storage.sqlite_storage.SQLiteStorage - This class stores data in a sqlite database on disk.luna_lms.webapp.WebApp - Web application main class, suitable as cherrypy root.