// [-1 = Director spawns witches] The max amount of witches present at once (independant of l4d2_ais_limit).
// -
// Default: "-1"
// Minimum: "-1.000000"
// Maximum: "100.000000"
l4d2_ais_witch_limit "-1"
// The time (seconds) interval in which exactly one witch will spawn
// -
// Default: "300.0"
// Minimum: "1.000000"
l4d2_ais_witch_period "300.0"