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* Added support to MongoDB 3.2 log format.
* Added SSL connection support.
* Added ``-m``, ``--metadata`` option to add extra metadata fields to show.
* Added ``-v``, ``--verbose`` option to print all the operations in
JSON without format.
* Added ``-i``, ``--info`` option to get information about the server
we're connected to.
* Added flush calls after output to the ``stderr`` file.
* Added more validations to db address parameter.