address_cleaner         A general address cleaner.
dist_calc               A simple distance calculator for two sets of
                        geo coordinates. This function may be utilized
                        to estimate the "straight line" distance
                        between two sets of, e.g., Google Web
                        Mercator/WGS 84 geocoordinates.
drive_time              Get travel time and distance between two point
                        using the Google API.
geocode_url             Geocode an address vector using the Google Maps
                        API.
google_encode64         Generates digital signatures for Google Maps
                        API calls.
placement               placement: Tools for Accessing the Google Maps
                        API
pull_geo_data           Pull Google Maps data with error handling
