Jaraco-mongodb

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Oplog tool no longer has a default window of 86400 seconds,
but instead requires that a window or valid resume file
be specified. Additionally, there is no longer a default
resume file (avoiding potential issues with multiple
processes writing to the same file).

Oplog tool now accepts a ``--window`` argument, preferred
to the now deprecated ``--seconds`` argument. Window
accepts simple time spans, like "3 days" or "04:20" (four
hours, twenty minutes). See the docs for `pytimeparse
<https://github.com/wroberts/pytimeparse>`_ for specifics
on which formats are supported.

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Fix version reporting when invoked with ``-m``.

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Oplog tool no longer defaults to ``localhost`` for the dest,
but instead allows the value to be None. When combined with
``--dry-run``, dest is not needed and a connection is only
attempted if ``--dest`` is indicated.

Oplog tool now logs the name and version on startup.

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Removed ``oplog.increment_ts`` and ``Timestamp.next`` operation
(no longer needed).

Ensure that ts is a oplog.Timestamp during ``save_ts``.

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3: ``create_db_in_shard`` no longer raises an exception when
the database happens to be created in the target shard.

5: Better MongoDB 3.2 support for oplog replication.

Tests in continuous integration are now run against MongoDB
2.6, 3.0, and 3.2.

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Oplog replay now warns if there are no operations preceding
the cutoff.