Merge pull request #3 from eriktaubeneck/master

changed date formats in get_historical_prices from  YYYYMMDD to YYY-MM-DD
Merge pull request #4 from eriktaubeneck/master

updated README.rst
clarified lgpl license in setup.py
bumped version for release
bumped version
added optional support for dictionary in get_historical_prices
Merge branch 'master' of github.com:skillachie/ystockquote