onepica/avatax — pull request #11 by rogyar (2014-08-07 12:36:15+00:00)
Title: Fixed wrong conditions for getting Gift Wrapper prices

Magento EE on the following request:
```
$address->getGwPrice()
```
might return (string) "0.0000"

Then condition

```
if($address->getGwPrice())
```

will be `TRUE`
It causes unnecessary calculations and even wrong taxes calculation.
Glad to share this little fix with you.
Thanks.