You can add leagues, big or small, to Sports Club Stats.
   It's free.
   It's easy.
   Just email import@sportsclubstats.com the:
      structure
      schedule
      and rules
   In a few minutes you'll get back a link to the league.
   Play around, have fun, you won't break anything.
   I look forward to seeing what you create.

Info about the various settings:
   https://docs.google.com/document/d/1-UneDNk6tkOrc_B-WBnGnc5KGiy2kttXC2fW8dR7QzM/edit?hl=en

For example, here is what created this league:

LeagueBegin
  League: CONCACAFWC  (ID: 1a198) (Sort: Div) (Playoffs: 2)
    Team: Guat        (ID: t1kx1)
    Team: St Vin      (ID: t1kx2)
    Team: Trin        (ID: t1kx3)
    Team: USA         (ID: t1kx4)
  Kind: pro
  Sport: soccer
  Gender: male
  Country: WC
  State: 
  Level: C
  Season: 2016 (current: True)
  Author: me
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Div: Points, GoalsDelta, GoalsFor, Average Points HeadToHead,
GoalsDelta HeadToHead, GoalsFor HeadToHead, GoalsFor Away HeadToHead
SortEnd

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  3
  PointsForWinInShootout:  3
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0.258
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.66
  WeightType:  Pythagorean
  WeightExponent:  1.4
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  advanced
  Promote:  2
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  did not advance
  Demote:  2
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
11/13/15   Guat     1-2   Trin     (ID: g1q6de)
11/13/15   USA      6-1   St Vin   (ID: g1q6df)
11/17/15   St Vin   0-4   Guat     (ID: g1q6dg)
11/17/15   Trin     0-0   USA      (ID: g1q6dh)
3/25/16    Guat     2-0   USA      (ID: g1q6di)
3/25/16    St Vin   2-3   Trin     (ID: g1q6dj)
3/29/16    Trin     6-0   St Vin   (ID: g1q6dk)
3/29/16    USA      4-0   Guat     (ID: g1q6dm)
9/2/16     St Vin         USA      (ID: g1q6dn)
9/2/16     Trin           Guat     (ID: g1q6dp)
9/6/16     Guat           St Vin   (ID: g1q6dq)
9/6/16     USA            Trin     (ID: g1q6dr)
GamesEnd