Release 1.3.4.9
    
    - Ticket 48759 - no plugin calls in tombstone purging
    - Ticket 48757 - License tag does not match actual license of code
    - Ticket 48746 - Crash when indexing an attribute with a matching rule
    - ticket 48497 - extended search without MR indexed attribute prevents later indexing with that MR
    - Ticket 48368 - Resolve the py.test conflicts with the create_test.py issue
    - Ticket 48420 - change severity of some messages related to "keep alive" entries
    - Ticket 48748 - Fix memory_leaks test suite teardown failure
    - Ticket 48270 - fail to index an attribute with a specific matching rule