Changes in version 1.0-6 (2024-07-04)                  

  - NEWS file
  - print method bugfix
  - quadratic forms now imorted from quadform, not emulator
  - consistentification of bibliography

                 Changes in version 1.0-5 (2024-03-28)                  

  - improvement of stop() diagnostics
  - better handling of zeros and zero-extent objects