committed state in. This is needed wheh the "committed" state,
um, hasn't been committed yet, such as when you are undoing
multiple transactions transactionally.

made a true mixin (not a subclass).

(it's a true mixin).

unittest.TestCase.  It also provides the setUp(), _close(), and
tearDown() methods, as well as the _dostore() convenience method.

_dostore(), setUp(), _close(), tearDown(): Moved out of this class and
into StorageTestBase.

Removed some log-ago-commented-out code.

Added some doc strings.

Added a bunch of not-yet-enabled (because not yet fully working)
transactional undo code.

to a directory other than the ZEO package directory.

that allow start.py to recover.

Thanks for Chris Withers for reminding about this.

rely on the ZEO __init__, which relies on fap, to sort things out.

Minimal BSDDB storage which does not override abortVersion() and
commitVersion()).

commitVersion() can't be an alias for abortVersion() because it takes
a different number of arguments.  Provide a simple implementation.

Changed "from POSException import UndoError" to "import POSException"
and use POSException.UndoError in undo().  This is because
abortVersion() and commitVersion() also reference exceptions in the
POSException module.

Aside: fix __version__ extraction from $Revision$ to be portable in
the face of "cvs co -kv".

ever) accessed logic).

Windows.

- Commented the Wakeup calls.

- Fixed a bug in the reconnection logic that caused the
  dispatcher to get reinitialized incorrectly when a main loop
  was active. This could cause a client to seem to hang on occasions.