1.2.1
  - Quote path to $GIT_ASKTOKEN, for example when credentials is installed in "Program Files"
  - Fix for set_github_pat() token prompt in R.app on MacOS

1.2.0
  - Bug fixes and tweaks for set_github_pat(): gains parameters to disable validation

1.1
  - Fix for vignette when no 'git' is installed
  - Fix for vignette when credential helper requires user interaction (CRAN MAC)

1.0
  - Initial CRAN release
