Price Switching no longer working on e-promo-kit

## From Zendesk ticket 411 ##

On **REDACTED**'s e-promo-kit page, the prices are no longer set.
```
[switch field="zone"
            1="$695.00"
            2="$795.00"
            3="$795.00"
            4="$895.00"
            5="$1095.00"
            6="$895.00"
            7="$995.00"
            8="$995.00" 
        other="Please call **REDACTED** for information"]
```

The URL contained zone properly set to the number. Issue noticed after upgrading to `0.4.0`