Changes in version 1.0.0                        

  - Now using plot for singlearmDesign and find2stagedesigns (remaining
    designs to follow, then drawDiagram may become deprecated)
  - "Breaking" updates to argument names nmin, nmax -- now using
    argument n.max, vector of length 2.

                        Changes in version 0.3.0                        

find2stageDesigns now orders by increasing Nmax, row numbers removed.

                        Changes in version 0.2.7                        

When plotting single-arm designs and general plots (drawDiagramGeneric),
added argument benefit.stop to allow diagrams to show no benefit
stopping

                 Changes in version 0.2.6 (2023-10-25)                  

Changed output of find2stageDesigns

                        Changes in version 0.2.5                        

  - Tidied output of find2stageDesigns

                        Changes in version 0.2.4                        

  - Fixed bug in simonEfficacy

                        Changes in version 0.2.3                        

  - Sped up Mander & Thompson design search (command find2stageDesigns)

                        Changes in version 0.2.2                        

  - Big fix: minstop argument in singlearmDesign

                        Changes in version 0.2.1                        

  - Bug fixes

                 Changes in version 0.2.0 (2022-08-05)                  

  - Added minstop argument across multiple functions, specifying the
    minimum sample size for which early stopping is permitted.

  - Updated the find2stageDesigns function to allow a maximum permitted
    conditional power.

                 Changes in version 0.1.1 (2021-08-05)                  

  - Changed the description, which now does not start with the package
    name.

  - Reduced the length of the title to less than 65 characters.

  - Added \value (including output class) to the following .Rd files:
    
      - drawDiagramGeneric.Rd
      - findNSCdesigns.Rd
      - findSCdesigns.Rd
      - plotByWeight.Rd

                        Changes in version 0.1.0                        

  - Added a NEWS.md file to track changes to the package.
  - Added a README.md file to describe the package
  - Updated all functions to comply with R CMD check.