'Create a new Security Group
:param name: Name of the new Security Group
:type  name: ``str``
:param description: Description of the new Security Group
:type  description: ``str``
:rtype: :class:`OpenStackSecurityGroup`'

def ex_create_security_group(self, name, description):

    return self._to_security_group(self.connection.request('/os-security-groups', method='POST', data={'security_group': {'name': name, 'description': description}}).object['security_group'])
