Fix CpCode getter. Create a CpCode item for each XML item in the response and return it. (Also fixed tests)
Fix CpCode getter. We have to manage the case we only have one CpCode, the response return is an hash and not an array.
Use Array.wrap instead of use alternative variables
Merge pull request #8 from Ditchou/develop

Fix CpCode getter to correctly manage response when there is only one item