This mixin is used to manage the encoding and decoding of session data. Albatross supplies a number of classes for use in the execution context; StubSessionMixin, SessionBase, HiddenFieldSessionMixin, SessionServerContextMixin, and SessionFileContextMixin. The SessionBase class provides base functionality for non-stub session classes.
Loading and storing of session data is usually performed by an application mixin.
The SessionServerAppMixin is designed to be used in the application object.