This module take csv files as input, create place lists from it, and
write them to binary files meant to be used by gwd API.
e.g. for a given language LANG, provide a dico_place_LANG.csv file
containing data as town,are_code,county,region,country, and it will
produce these files:
dico_place_town_LANG.list
dico_place_area_code_LANG.list
dico_place_county_LANG.list
dico_place_region_LANG.list
dico_place_country_LANG.list