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: Currie Cup                                   (ID: curriecup) (Sort: League) (Playoffs: 4)
    Team: DHL Western Province       (DHL Western Pro) (ID: t11ft)
    Team: GWK Griquas                                  (ID: t11fu)
    Team: MTN Golden Lions           (MTN Golden Lion) (ID: t11fv)
    Team: The Sharks                 (Sharks)          (ID: t11fw)
    Team: Toyota Free State Cheetahs (Toyota Free Sta) (ID: t11fx)
    Team: Vodacom Blue Bulls         (Vodacom Blue Bu) (ID: t11fy)
  Kind: pro
  Sport: rugby
  Gender: male
  Country: South Africa
  State: 
  Level: A
  Season: 2012 (current: True)
  Author: Matt Grande
  Note: Stats are updated approximately once daily, usually around 9AM Eastern.<br/>Let me know if things are wrong: matt dot grande at gmail dot com.<br/><br/>Last Updated: October 15, 2012 - 08:26:07
  LotteryNote: 
LeagueEnd

SortBegin
League: Points, Least GoalsDelta, Away GoalsFor, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  4
  PointsForWinInOvertime:  4
  PointsForWinInShootout:  4
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  2
  PercentOfGamesThatEndInTie:  0.014
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.607
  WeightType:  PercentOfPointsWon
  WeightExponent:  0.458
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  Relegated to First Division
  Demote:  1
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
8/10/12    Vodacom Blue Bu   35-20   GWK Griquas       (ID: g13cxm)
8/11/12    DHL Western Pro   23-25   Sharks            (ID: g13cxn) (HomeBonus: 1)
8/11/12    MTN Golden Lion   43-20   Toyota Free Sta   (ID: g13cxp) (HomeBonus: 1)
8/17/12    Toyota Free Sta   32-18   Vodacom Blue Bu   (ID: g13cxq)
8/18/12    GWK Griquas       20-25   DHL Western Pro   (ID: g13cxr) (HomeBonus: 1)
8/18/12    Sharks            30-14   MTN Golden Lion   (ID: g13cxs)
8/25/12    GWK Griquas       16-29   Toyota Free Sta   (ID: g13cxt) (AwayBonus: 1)
8/25/12    MTN Golden Lion   26-23   DHL Western Pro   (ID: g13cxu) (AwayBonus: 1)
8/25/12    Vodacom Blue Bu   42-31   Sharks            (ID: g13cxv) (AwayBonus: 1)
8/31/12    MTN Golden Lion   32-42   GWK Griquas       (ID: g13cxw) (HomeBonus: 1) (AwayBonus: 1)
9/1/12     DHL Western Pro   42-6    Vodacom Blue Bu   (ID: g13cxx) (HomeBonus: 1)
9/1/12     Sharks            34-32   Toyota Free Sta   (ID: g13cxy) (HomeBonus: 1) (AwayBonus: 1)
9/8/12     GWK Griquas       22-15   Sharks            (ID: g13cxz) (AwayBonus: 1)
9/8/12     Toyota Free Sta   22-29   DHL Western Pro   (ID: g13cy0) (HomeBonus: 1)
9/8/12     Vodacom Blue Bu   23-32   MTN Golden Lion   (ID: g13cy1) (AwayBonus: 1)
9/15/12    GWK Griquas       49-34   Vodacom Blue Bu   (ID: g13cy2) (HomeBonus: 1) (AwayBonus: 1)
9/15/12    Sharks            43-27   DHL Western Pro   (ID: g13cy3) (HomeBonus: 1)
9/15/12    Toyota Free Sta   23-38   MTN Golden Lion   (ID: g13cy4) (AwayBonus: 1)
9/22/12    DHL Western Pro   45-21   GWK Griquas       (ID: g13cy5) (HomeBonus: 1)
9/22/12    MTN Golden Lion   28-22   Sharks            (ID: g13cy6) (AwayBonus: 1)
9/22/12    Vodacom Blue Bu   34-30   Toyota Free Sta   (ID: g13cy7) (AwayBonus: 1)
9/28/12    Sharks            13-12   Vodacom Blue Bu   (ID: g13cy8) (AwayBonus: 1)
9/29/12    DHL Western Pro   9-22    MTN Golden Lion   (ID: g13cy9)
9/29/12    Toyota Free Sta   35-20   GWK Griquas       (ID: g13cya) (HomeBonus: 1)
10/5/12    Vodacom Blue Bu   26-13   DHL Western Pro   (ID: g13cyb)
10/6/12    GWK Griquas       37-21   MTN Golden Lion   (ID: g13cyc) (HomeBonus: 1)
10/6/12    Toyota Free Sta   30-37   Sharks            (ID: g13cyd) (HomeBonus: 1) (AwayBonus: 1)
10/12/12   Sharks            42-3    GWK Griquas       (ID: g13cye) (HomeBonus: 1)
10/13/12   DHL Western Pro   36-15   Toyota Free Sta   (ID: g13cyf) (HomeBonus: 1)
10/13/12   MTN Golden Lion   29-50   Vodacom Blue Bu   (ID: g13cyg) (AwayBonus: 1)
10/20/12   MTN Golden Lion   10-27   DHL Western Pro   (ID: g18cb8)
10/20/12   Sharks                    Vodacom Blue Bu   (ID: g18cfs)
GamesEnd