Update composer.json

{
    "name": "idm-io/ovh-sdk-php",
    "version": "0.1.0",
    "homepage": "https://github.com/idm-io/ovh-sdk-php",
    "description":"OVH SDK for PHP",
    "keywords":["ovh","sdk"],
    "type":"library",
    "license":"Apache-2.0",
    "require": {
        "php": ">=5.3.2",
        "guzzle/guzzle": "3.7.*"
    },
    "require-dev": {
        "phpunit/phpunit": "3.7.*"
    },
    "autoload": {
        "psr-0": {
            "Ovh": "src/"
        }
    }
}