Mongotail

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* Added support to MongoDB 3.6 log format.
* Added binary data support (``BinData`` type).
* Added python version info to ``--version`` option.
* Now ``insert`` operations with just one document inserted
are showed without ``[]`` notation
* Fixed error when ``insert`` operations doesn't have
recorded the document saved in the profiler

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* Fixed 20 CPU runaway using ``-f`` option with local
connections.
* Avoid ``IOError: [Errno 32] Broken pipe`` that some
times is launched when ``Ctrl+C`` is used.

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* On ``TypeError`` exceptions dump the output with
warn message instead of exit the program.
* Filtered ``explain`` queries from the log.

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* Support ``sort`` parameters logging (compatible with MongoDB 3.2+).
* Support ``NumberDecimal`` type (MongoDB 3.4+).
* Added Docker support.
* Fixed 15 Exception when list collection indexes.

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* Fixed exception with ``$out`` operator in aggregation operations.

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* Fixed 12 Error when explore the database collections with MongoChef tool.
* Fixed 13 Error "close failed in file object destructor..." after closing
``mongotail -f`` piped with some other command.
* Avoid output of empty metadata results.