Add inline test cases.
Fix several bugs brought up by test cases.
Alter PersistentString instances when they already exist rather than
creating new ones.

LOBTree raises when a key is out of range.

Credit to Vincent Pelletier.

In some cases, listing files is disallowed. Allow caller to disable
paramiko's default-enabled file size check to support these cases.

Drop parameters which are passed with default value.

Requires creating socket outside of paramiko.Transport .

In normal Zope usage, ZPublisher does this. TimerServer does not provide
publisher with a request (which would be irrelevant anyway), so
CMFActivity-managed transactions notes are empty.
Notes are useful to identify the cause of an object modification, so set
them in CMFActivity.

Save one reindexation activity if alarm is not triggered.
Drop single-use locals.
Drop comment telling what the code already expresses.

This removes the need for limitting the number of documents to
process in a single transaction, thanks to searchAndActivate.
Also, handle catalog desynchronisation gracefuly in the event
of accept/accept race condition.

also re-export *.doc and *.xls files using recent Libre Office.

Combine new post and RSS for better visual appearance. Do remove hard coded staff and let themes who use it override it with CSS

Cleans up both the table and it persistent symmetric using current catalog
data.