'Create a new security group for your account.
This will create the security group within the region you
are currently connected to.
:type name: string
:param name: The name of the new security group
:type description: string
:param description: The description of the new security group
:rtype: :class:`boto.rds.dbsecuritygroup.DBSecurityGroup`
:return: The newly created DBSecurityGroup'

def create_dbsecurity_group(self, name, description=None):

    params = {'DBSecurityGroupName': name}
    if description:
        params['DBSecurityGroupDescription'] = description
    group = self.get_object('CreateDBSecurityGroup', params, DBSecurityGroup)
    group.name = name
    group.description = description
    return group
