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:       Confederations Cup 2013 (Confederations) (ID: 1afh) (Sort: Conf)
    Conference: Group A                                  (ID: d1e6) (Sort: Div) (Playoffs: 2)
      Team:     Brazil                                   (ID: t175n)
      Team:     Italy                                    (ID: t176h)
      Team:     Japan                                    (ID: t175u)
      Team:     Mexico                                   (ID: t175w)
    Conference: Group B                                  (ID: d1e7) (Sort: Div) (Playoffs: 2)
      Team:     Nigeria                                  (ID: t176c)
      Team:     Spain                                    (ID: t175j)
      Team:     Thaiti                                   (ID: t175v)
      Team:     Uruguay                                  (ID: t175r)
  Kind: pro
  Sport: soccer
  Gender: male
  Country: ConfederationsCup
  State: 
  Level: A
  Season: 2013 (current: True)
  Author: Andre de Souza
  Note: andre dot cardoso dot souza at gmail dot com
  LotteryNote: 
LeagueEnd

SortBegin
Div: Average Points, Average GoalsDelta, Average GoalsFor, Average
Points HeadToHead, Average GoalsDelta HeadToHead, Average GoalsFor
HeadToHead, DrawLots
Conf: MoveClinchedToFrontBySeed, Average Points, Average
GoalsDelta,
Average GoalsFor, Average Points HeadToHead, Average GoalsDelta
HeadToHead, Average GoalsFor HeadToHead, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  3
  PointsForWinInShootout:  3
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0.258
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  Pythagorean
  WeightExponent:  1.4
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
6/15/13   4:00 PM   Brazil    3-0    Japan     (ID: g1a1xg)
6/16/13   4:00 PM   Mexico    1-2    Italy     (ID: g1a1xh)
6/16/13   7:00 PM   Spain     2-1    Uruguay   (ID: g1a1xi)
6/17/13   4:00 PM   Thaiti    1-6    Nigeria   (ID: g1a1xj)
6/19/13   4:00 PM   Brazil    2-0    Mexico    (ID: g1a1xk)
6/19/13   7:00 PM   Italy     4-3    Japan     (ID: g1a1xm)
6/20/13   4:00 PM   Spain     10-0   Thaiti    (ID: g1a1xn)
6/20/13   7:00 PM   Nigeria   1-2    Uruguay   (ID: g1a1xp)
6/22/13   4:00 PM   Italy     2-4    Brazil    (ID: g1a1xq)
6/22/13   4:00 PM   Japan     1-2    Mexico    (ID: g1a1xr)
6/23/13   4:00 PM   Nigeria   0-3    Spain     (ID: g1a1xs)
6/23/13   4:00 PM   Uruguay   8-0    Thaiti    (ID: g1a1xt)
GamesEnd