Es-stats-zabbix

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**Bug Fixes**

* Fix ``es_stats`` dependency to be 0.2.1, which fixes some reported bugs.

**General**

* Fix docs in their as yet incomplete state to at least not have incorrect
information

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**New**

* Batch now reports count of items which failed on command-line. This enables
you to call batch as a Zabbix agent item, and report a result.

**Bug Fixes**

* Prevent empty lists in batches from generating an error.

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**New**

* Refactor all Zabbix key parsing. Much simpler now.
* Improved logging.

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**Bug fixes**

* Put kaptan dependency in place

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**Announcement**

* Initial release