yolk/valvat — pull request #9 by bmurzeau (2012-12-11 11:51:24+00:00)
Title: fixed exception parsing when extracting returned fault details

Today, the french VAT validation service was done and this unavailability highlighted a tiny spelling mistake int the way fault details is extracted.

```ruby
1.9.3p125 :003 > Valvat::Lookup.validate('FR 16 434 651 246')
NameError: undefined local variable or method `rr' for Valvat::Lookup:Module
from /Users/bastien/.rvm/gems/ruby-1.9.3-p125-perf/gems/valvat-0.4.2/lib/valvat/lookup.rb:21:in `rescue in validate'
from /Users/bastien/.rvm/gems/ruby-1.9.3-p125-perf/gems/valvat-0.4.2/lib/valvat/lookup.rb:16:in `validate'
from (irb):3
from /Users/bastien/.rvm/gems/ruby-1.9.3-p125-perf/gems/railties-3.2.6/lib/rails/commands/console.rb:47:in `start'
from /Users/bastien/.rvm/gems/ruby-1.9.3-p125-perf/gems/railties-3.2.6/lib/rails/commands/console.rb:8:in `start'
from /Users/bastien/.rvm/gems/ruby-1.9.3-p125-perf/gems/railties-3.2.6/lib/rails/commands.rb:41:in `'
from script/rails:6:in `require'
from script/rails:6:in `

'
```

![Capture d e cran 2012-12-11 a 12 48 45](https://f.cloud.github.com/assets/1092772/5609/e792461c-4388-11e2-8622-dddfdb3d36fc.png)
![Capture d e cran 2012-12-11 a 12 48 21](https://f.cloud.github.com/assets/1092772/5610/e7a74670-4388-11e2-9fbc-e455cc743a81.png)