Changes in version 1.3.0                        

  - Added utils.R to keep internal reusable functions.
  - Refactored run.flowsom:
      - Added verbose parameter to optionally print progress messages.
      - Overwrites clust.name and meta.clust.name columns in input
        data.table if they already exist.
      - Tidied up and simplified code.
  - Updated run.umap to overwrite umap.x.name and umap.y.name columns in
    input data.table if they already exist.
  - Updated do.asinh:
      - Overwrite columns in input data.table if they already exist.
      - Added support to specify a list of cofactors, so different
        values can be assigned to different markers.
  - Refactored make.colour.plot:
      - Move some code out to internal functions for modularity.
      - Rewrote and simplified code.
      - Added more colour scheme options to support all options in
        viridis and RColorBrewer and jet.
      - Updated documentation.
      - Fixed issue #197 by using geom_label_repel to draw centroid
        labels.
      - Added option to do fast plot using scattermore.
  - Added deprecated message for fast.colour.plot.
  - Fixed package.check for issue #186.
  - Refactored read.files and remove any setwd() for issue #162.
  - Add add.label to multi.plot for issue #202.
  - Added a NEWS.md file to track changes to the package.
  - Added testthat unittests.