get_GSOD                Download and Return a data.table Object of GSOD
                        Weather Data
get_updates             Get updates.txt With Information on Updates to
                        the GSOD Data Set
nearest_stations        Find Nearest GSOD Stations to a Specified
                        Latitude and Longitude
reformat_GSOD           Tidy and Return a data.table Object of GSOD
                        Data From Local Storage
