fix setup script
Merge pull request #37 from tzenderman/master

Fix failing setup script.
Support for ExpressionNode updates:
account.balance = F('balance') + balance
Added tests for changing money using relative values ( F() )
Merge pull request #40 from toudi/master

Support for ExpressionNode updates:
add django-money-rates to django-money Readme
Merge pull request #43 from tzenderman/master

add django-money-rates to django-money Readme
bumped version 0.3.3.2