Retrieve all the data of a paginated endpoint, using GET.
        :returns: The endpoint unpaginated data
        :rtype: dict

def all(self, endpoint, *args, **kwargs):
        """Retrieve all the data of a paginated endpoint, using GET.
        :returns: The endpoint unpaginated data
        :rtype: dict
        """
        # 1. Initialize the pagination parameters.
        kwargs.setdefault('params', {})['offset'] = 0
        kwargs.setdefault('params', {})['limit'] = self.limit
        kwargs['__method__'] = 'get'
        # 2. Create an initial paginated request.
        payload = self.request(endpoint, *args, **kwargs)
        has_next = payload.get('result', {}).setdefault(
            'meta', {'next': None}
        )['next']
        # 3. Loop until the end
        while has_next:
            # 4. Increment the offset
            kwargs['params']['offset'] += self.limit
            # 5. Query again
            _payload = self.request(endpoint, *args, **kwargs)
            # 6. Add the paginated data to the global one
            payload['result']['data'].extend(_payload['result']['data'])
            # 7. Compute has_next
            has_next = _payload['result']['meta']['next']
        del payload['result']['meta']
        return payload