2020-02-04  Jaak Simm  <jaak.simm@gmail.com>
  * VERSION: 1.2-6
  * FIXED: dea.env.robust confidence intervals for \beta and \sigma 

2016-11-25  Jaak Simm  <jaak.simm@gmail.com>
  * VERSION: 1.2-5
  * FIXED: GLPK basis initialization bug

2016-05-08  Jaak Simm  <jaak.simm@gmail.com>
  * VERSION: 1.2-4
  * FIXED: bug in costmin dea if 1-dimensional input

2016-03-06  Jaak Simm  <jaak.simm@gmail.com>
  * VERSION: 1.2-3
  * FIXED: tests for new version of 'testthat' package

2015-08-04  Jaak Simm  <jaak.simm@gmail.com>
  * VERSION: 1.2-2
  * FIXED: updated documentation for input prices argument (W)

2015-06-20  Jaak Simm  <jaak.simm@gmail.com>
  * VERSION: 1.2-1
  * ADDED: support for costmin rts.test
  * FIXED: small correction to bandwidth estimation in dea.robust

2015-03-26  Jaak Simm  <jaak.simm@gmail.com>
  * VERSION: 1.1-1
  * ADDED: support for bandwidth multiplier for dea.robust
  * FIXED: documentation for dea.env.robust

2014-12-21  Jaak Simm  <jaak.simm@gmail.com>
  * VERSION: 1.0-2
  * REMOVED: GLPK sources

2014-11-30  Jaak Simm  <jaak.simm@gmail.com>
  * VERSION: 1.0-1
  * CHANGED: to hospitals dataset
  * ADDED: tests

2014-08-22  Jaak Simm  <jaak.simm@gmail.com>
  * VERSION: 0.3-1
  * ADDED: confidence interval for delta in dea.env.robust

2014-08-01  Jaak Simm  <jaak.simm@gmail.com>
  * VERSION: 0.2-1
  * ADDED: dea, dea.robust, dea.env.robust, rts.test. 
           Also tests using testthat package.
           rts.test for costmin is unfinished.

2014-06-01  Jaak Simm  <jaak.simm@gmail.com>
	* UPDATED: initial commit
	* FIXED: dea.input with non-increasing RTS
