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New features
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* **swarm:** less default comments to Swarm, more optional
* **tests:** add pylint check
* **tests:** add doctest collecting
Bug fixes
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* **test:** fix bug with stopping all test types once one type detects failure
* **swarm:** fix reporting to Swarm builds that did not execute actual build steps
* **launcher:** fix artifact collecting interruption
* **launcher:** fix extra dot directory in artifact archives