Changes in version 6.4.0 (2022-06-19)                  

  - redo documentation
  - add ORCID
  - switch from Travis to GitHub Actions
  - various URL updates

                        Changes in version 5.3.0                        

  - add rmarkdown dependency

                 Changes in version 5.2.0 (2020-04-28)                  

  - sync version number with gvc and decompr
  - switch from travic to GitHub Actions
  - redo documentation

                 Changes in version 1.0.1 (2020-01-08)                  

  - remove matricise

  - remove matricise

                        Changes in version 1.0.0                        

  - stable release

  - updated documentation

                 Changes in version 0.4.0 (2015-10-05)                  

  - various small fixes

                 Changes in version 0.3.0 (2015-06-15)                  

  - replace all previous functions with fatdiag

  - add fatdig <- function

                 Changes in version 0.2.0 (2015-05-29)                  

  - add support for replacement other than 0 (zero)

  - break out rectangles to separate functions: rectangle_matrix() and
    minus_rectangle_matrix()

                        Changes in version 0.1.0                        

  - block_matrix(): for extracting block diagonals

  - minus_block_matrix(): for dropping block diagonals

  - add support for non-square matrices