Should make test output more expressive on failure.

To make it more likely detect killed transactions before entering
tpc_finish phase.

Saves one round-trip to server.

This parameter does not force a reconnection, it allows reconnecting if
a closed-connection is detected when querying on a transactional
connection on which the transaction was already started.

Otherwise, all subsequent tests fail too.

This reverts commit 699759bc

Do not give conflicting instructions to portal_catalog.

Preserve compatibility with in-zodb worklist cache code, but do not use
*_expression when calling catalog.

These are a bit more complex, there are more to come.

These are the easy uses, there are more to come.

Waiting document onlyoffice conversion error fix

In order to safely use non-XML allowed characters coming from various
sources wrap basestring into xmlrpclib.Binary before sending it to the
server.