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* Python 3 support via python-future (finally!)
* Load L1 flags if available (164)
* Reduced memory usage (165) and speedups (155, 169, 170, 171, 182)
* S3 chunk store now uses requests directly instead of via botocore (166)
* Let lazy indexer use oindex semantics like in the past (180)
* Fix concatenated data sets (161)
* Fix IPython / Jupyter tab completion for sensor cache (176)