Fixes off-by-one bug in ExponentialMovingAverage.IsReady
Fixes off-by-one bug in ExponentialMovingAverage.IsReady

Phoenix1271/Lean,FrancisGauthier/Lean,devalkeralia/Lean,QuantConnect/Lean,andrewhart098/Lean,jameschch/Lean,squideyes/Lean,QuantConnect/Lean,jameschch/Lean,bizcad/Lean,Phoenix1271/Lean,JKarathiya/Lean,tomhunter-gh/Lean,Mendelone/forex_trading,AnshulYADAV007/Lean,redmeros/Lean,FrancisGauthier/Lean,tomhunter-gh/Lean,jameschch/Lean,squideyes/Lean,devalkeralia/Lean,bizcad/Lean,bizcad/Lean,tomhunter-gh/Lean,Jay-Jay-D/LeanSTP,young-zhang/Lean,AnObfuscator/Lean,QuantConnect/Lean,mabeale/Lean,JKarathiya/Lean,FrancisGauthier/Lean,Mendelone/forex_trading,Mendelone/forex_trading,kaffeebrauer/Lean,squideyes/Lean,AlexCatarino/Lean,StefanoRaggi/Lean,Phoenix1271/Lean,StefanoRaggi/Lean,redmeros/Lean,young-zhang/Lean,kaffeebrauer/Lean,devalkeralia/Lean,Phoenix1271/Lean,JKarathiya/Lean,kaffeebrauer/Lean,mabeale/Lean,AnshulYADAV007/Lean,Jay-Jay-D/LeanSTP,redmeros/Lean,jameschch/Lean,young-zhang/Lean,mabeale/Lean,AnObfuscator/Lean,kaffeebrauer/Lean,FrancisGauthier/Lean,AnshulYADAV007/Lean,AlexCatarino/Lean,Mendelone/forex_trading,AlexCatarino/Lean,AnObfuscator/Lean,devalkeralia/Lean,young-zhang/Lean,mabeale/Lean,JKarathiya/Lean,kaffeebrauer/Lean,StefanoRaggi/Lean,StefanoRaggi/Lean,AlexCatarino/Lean,andrewhart098/Lean,QuantConnect/Lean,AnObfuscator/Lean,Jay-Jay-D/LeanSTP,bizcad/Lean,StefanoRaggi/Lean,tomhunter-gh/Lean,redmeros/Lean,AnshulYADAV007/Lean,AnshulYADAV007/Lean,squideyes/Lean,Jay-Jay-D/LeanSTP,Jay-Jay-D/LeanSTP,andrewhart098/Lean,jameschch/Lean,andrewhart098/Lean