Removed all "cache" and "processed" keys in JSON
Added script to search for U.S. county data
Applied U.S. county data
Selectively applied further U.S. County data, where names matched
Moved misnamed files for Vermilion, IL and Doña Ana, NM
Tweaked prefix search, to shorten line length
Added complete U.S. census nation, state, and county shapefiles
Added 2000 Census population and housing number to state and county files
Added script to render all counties with address coverage
Populated state GEOIDs and added state address coverage rendering