update release info
Note: mandatory check (NEED_CHECK) was skipped
- R language: `get_features_importance` with `ShapValues` for `MultiClass`, #868
- NormalizedGini was not calculated, #962
- Bug in leaf calculation which could result in slightly worse quality if you use weights in binary classification mode
+- Fixed `__builtins__` import in Python3 in PR #957, thanks to @AbhinavanT
# Release 0.16.4
