* master: (25 commits)
  Update pkgdown.yaml
  Update pkgdown.yaml
  Update test-fmt_duration.R
  Update fmt_duration.md
  Update utils_general_str_formatting.R
  Update utils_render_html.R
  Update towny.Rd
  Update datasets.R
  Update towny.rda
  Update towny.csv
  Update .Rbuildignore
  Update test-input_data_validation.R
  Update test-vec_fmt.R
  Create test-fmt_spelled_num.R
  Update help files using roxygen
  Update function ID values
  Create vec_fmt_spelled_num.Rd
  Create fmt_spelled_num.Rd
  Create man_fmt_spelled_num_1.png
  Update _pkgdown.yml
  ...