This fixes an invalidation bug, including the following critical error:

CRITICAL txn.140440071526144 A storage error occurred during the second phase of the two-phase commit.  Resources may be in an inconsistent state.
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ERROR Zope.SiteErrorLog 1342544345.990.582646288246 /erp5/person_module/Folder_create
Traceback (innermost last):
  Module ZPublisher.Publish, line 137, in publish
  Module Zope2.App.startup, line 291, in commit
  Module transaction._manager, line 93, in commit
  Module transaction._transaction, line 322, in commit
  Module transaction._transaction, line 424, in _commitResources
  Module neo.client, line 42, in tpc_finish
  Module neo.client.Storage, line 135, in tpc_finish
  Module neo.client.app, line 773, in tpc_finish
  Module neo.client, line 36, in callback
  Module ZODB.DB, line 693, in invalidate
  Module ZODB.DB, line 532, in _connectionMap
  Module ZODB.DB, line 221, in map
  Module transaction.weakset, line 58, in map
  Module ZODB.DB, line 692, in inval
  Module ZODB.Connection, line 350, in invalidate
AssertionError: invalidations out of order, '\x03\x97\xec;\x19\x86\xc9\xf6' < '\x03\x97\xec;\x19\x87_\xdd'