# Functions
New creates a new Blacklist with given options.
# Constants
DefaultAllowedFailures is used for AllowedFailures if a non-positive value is specified.
DefaultExpiration is used fro Expiration if a non-positive value is specified.
DefaultMaxConnectInterval is used for MaxConnectInterval if a non-positive value is specified.
DefaultMaxIdleTime is used for MaxIdleTime if a non-positive value is specified.