some improvements
experiment an other method to handle arguments by anticipating
* fix several memory issues (incorrect R/W and leaks)
* json building
* experiment a record module (DNS records of a given domain)
    + fix way to do a POST request with OVH API (it don't use POST variables (key/values) - CURLOPT_HTTPPOST - but "raw" data through CURLOPT_POSTFIELDS)
    + a subdomain can be created trough console