This is a replacement match scheduler for SR.

Usage:
 > Generate initial schedule:
   sched-matches -matches [match-count] -teams [team-database]
 > Recompute partial schedule:
   sched-matches -matches [match-count] -teams [team-database] -recompute [past-matches]
 > Change zone count:
   sched-matches <foo> -zones [zone-count]
 > Switch between empty slots and throwaways:
   sched-matches <foo> [-empty|-throwaway]
 > Set round constraint, and change length:
   sched-matches -rounds [round-length]
 > Set/clear zone balance constraint, and change length:
   sched-matches [-balance-zones|-no-balance-zones]