update README.
remove unused file.
include test/test/data in tree.
ifx mly person test failed.
add func parse-set-datagov.

- to find out the set name, and real data source url on data.gov.tw.
add function grab-data, fetch-g0v-data.

- to grab data file from remote site.
add data index configuration.
add fetch-data executable.

- an executable to fetch raw data.
remove wire chars.
remove data set 6202 and 6210 from data index.
finished fetch-gov-data function.
remove unused directory.