0.3.0
* Added `download_chromium()` and highly recommend folks use it vs system Chrome
  binaries.
* Slightly modified startup code to check for Chrome being present.

0.2.0
* Re-design of how the Chrome binary is set
* env var functions to help with ^^
* switch to using processx
* added ability to specify "work" dirs
* changed license
* removed all traces of experimental C code
* options for naming & placing PDF & screenshot files

0.1.0 
* Initial release