Use search option in your browser. For example find hunter. But to ease the job here some cvars:
z_versus_boomer_limit
z_versus_smoker_limit
z_gas_limit (smoker limit in non-versus)
z_exploding_limit(boomer limit in non versus)
z_hunter_limit
z_minion_limit (dont know whats this, but whatever)
z_max_player_zombies (how many players special infected team can have)