Changes in version 1.1-0                        

  - code refactoring
  - rationalize pmin()
  - C++-17 constructions

                 Changes in version 1.0-27 (2025-01-29)                 

  - new spraycross vignette
  - use capture.output(cat()) in print_spray_polyform()

                 Changes in version 1.0-26 (2024-08-19)                 

  - bugfixes
  - code of conduct
  - contributing guide
  - improvement to print method
  - no dependence on mathjax package

                       Changes in version 1.0-21                        

  - consistentification of zero objects

                 Changes in version 1.0-20 (2022-07-05)                 

  - summary method

                 Changes in version 1.0-19 (2022-01-17)                 

  - bugfix so getOption("max.print") is respected
  - coeffs(S) returns drop()-ped values

                 Changes in version 1.0-18 (2021-12-15)                 

  - bug in coeffs(x) <- v fixed
  -  ==  implemented, also !=
  - new generic as.id()

                       Changes in version 1.0-17                        

  - sprayvars option now also governs atrix-form printing
  - drop() function added, following the clifford package

                 Changes in version 1.0-16 (2021-11-16)                 

  - add a sticker
  - consistently use coeffs(); return a disord object
  - constant() now generic
  - cross products implemented as spraycross()