New features
* Adding option to rescale time series instead of clipping them, in artificial dataset generation (114)
* Include cdf method in distributions (120, 133)
* Add support for feat_dynamic_real field in DeepAREstimator (125)
* Add NPTS model (148)
* Added shell package (151, 156, 173)
* Custom seasonality for complex seasonal dataset (155)
Other changes
* Renamed time_granularity -> freq, time_freq -> freq (172, 173)
* Include safety check that catches infinite loops in transformations (139)
Fixes
* Fixes to paths (143)
* Fix default context_length in MQCNN and MQRNN estimators (167)