Added county FIPS data. #1
Added docs for county FIPS data. #1
Added basic state information. #2
Melded census_regions and state_data into single data.frame. #2
Reorganized states data and added docs. #2
Updated README to reflect updated states df. #2
Updated NEWS with current data sets.
Added .gitignore file.
Added county-level populations. #3
Added roadmap to README
Small addendum to roadmap
Metropolitan and Micropolitan Statistical Areas. #4
Added some docs regarding CSAs and CBSAs. #4
Updated NEWS with two MSAs data.frames.
Added zip codes with corresponding FIPS codes. #5
Added docs for zip codes. #5
Minor fixes to docs for zip codes. #5
Updated NEWS to include zip_codes. #5
Updated README to describe counties and zip-codes data. #6
Lots of minor edits to pass R CMD CHECK.