Changes to package RcmdrPlugin.BWS1

2020-12-17, version 0.1-4
- Added a button apply to dialog boxes.

2020-09-07, version 0.1-3
- Modified functions bws1Items() and bws1Dataset().
- Revised help file.

2020-06-12, version 0.1-2
- First release to CRAN.

