TODO:
    added some TODOs
get_funds_stock_data.py:
    The function of getting the fund's basic infomation is complete,
expect that the final result is not parse.
1. FundsDataDB.py is completed, the DBAPI of the funds_data database is
implemented.

2. get_funds_data.py use with statement to write and read file, and
close the database connection when data process is completed.

3. get_funds_stock_data.py the basic infomation fetcher of a fund is
completed.
rename get_funds_stock_data.py to OurkuFundsInfoFetcher.py