updated setup.py w/ url
updated setup.py w/ url

stonebig/pandasql,Avinash9/pandasql,stephanieleevillanueva/pandasql,yhat/pandasql,stephanieleevillanueva/pandasql,airtoxin/pysqldf,airtoxin/pysqldf,yhat/pandasql,stonebig/pandasql,Avinash9/pandasql