0.4 development continues at /sqlalchemy/branches/rel_0_4

- needed sql import on and()

- With declarative, joined table inheritance mappers use a slightly relaxed
function to create the "inherit condition" to the parent
table, so that other foreign keys to not-yet-declared
Table objects don't trigger an error.

- Deprecation decorator is now a real decorator

- Implicit binding failures now raise UnboundExecutionError

- SADeprecationWarning has moved to exceptions. An alias remains in logging until 0.5.

(such as PickleTypes)

- added a more descriptive error message when flushing on a
relation() that has non-locally-mapped columns in its primary or
secondary join condition

reconnect after its underlying connection is invalidated, without
needing to connect() again from the engine.  This allows an ORM session
bound to a single Connection to not need a reconnect.
Open transactions on the Connection must be rolled back after an invalidation
of the underlying connection else an error is raised.  Also fixed
bug where disconnect detect was not being called for cursor(), rollback(),
or commit().