Changes in version 0.1.0                        

  - Initial release of the R interface to the Python catpol package.
  - Domain wrapper around cat.stack that adds a registered-source
    fetcher (city ordinances, federal laws, executive orders,
    presidential speeches, social-media archives) and policy-document
    prompt framing.
  - Exports classify(), extract(), explore(), summarize(), and
    list_sources().