---------------------------------------
* New Features
* Add Recommender service (52, 58)
* Add model file manipulation tools (4, 62)
* Add ``ConcatLoader`` (61)
* Improvements
* Support Jubatus 1.0 (66)
* Improve Classifier Schema to accept columns without LABEL (40, 57)
* Improve handlign of bool-typed values (9, 63)
* Add option to apply Softmax to the resulting score in Classifier (59)
* Implement feature to enable logging by environment variable (39, 65)
* Improve RPC port allocation method (44, 54)
* Improve jubakit to work with non-standard Homebrew installations on macOS (32, 35)
* Update theme of docs (60)
* Bug Fixes
* Fix non-static Datasets does not allow automatic Schema prediction (41, 64)
* Fix error handling in ``jubash`` command (55)
* Fix error message when Jubatus servers are not installed on macOS (56)