# Functions
ArgBoolOrFalse returns the requested argument as a boolean, or as false if the argument is not present.
ArgStringOrBlank returns the requested argument as a string, or as a blank string if the argument is not present.
ValidateASNumber takes a string as an input and makes sure it's a valid ASNumber.
ValidateIP takes a string as an input and makes sure it's a valid IPv4 or IPv6 address.