## RBF 2.1.1
 - Fixed conflict between Details section of package man page and DESCRIPTION content.

## RBF 2.1.0

 - Add a vignette.
 - Fix outputs in the S3 methods `summary` and `print`.
 - Add `formula` to output of print methods.
 - Fix problem for predicting with the argument `point` of function `backf.cl`.
 - Updated README file with link to JOSS paper.
 