Change RSI indicator helper to default to Wilders moving average
Change RSI indicator helper to default to Wilders moving average

AlexCatarino/Lean,jameschch/Lean,StefanoRaggi/Lean,kaffeebrauer/Lean,StefanoRaggi/Lean,Jay-Jay-D/LeanSTP,QuantConnect/Lean,AnshulYADAV007/Lean,QuantConnect/Lean,jameschch/Lean,Jay-Jay-D/LeanSTP,QuantConnect/Lean,Jay-Jay-D/LeanSTP,AlexCatarino/Lean,StefanoRaggi/Lean,StefanoRaggi/Lean,Jay-Jay-D/LeanSTP,AnshulYADAV007/Lean,kaffeebrauer/Lean,JKarathiya/Lean,StefanoRaggi/Lean,QuantConnect/Lean,AnshulYADAV007/Lean,Jay-Jay-D/LeanSTP,AnshulYADAV007/Lean,kaffeebrauer/Lean,AnshulYADAV007/Lean,jameschch/Lean,JKarathiya/Lean,kaffeebrauer/Lean,kaffeebrauer/Lean,AlexCatarino/Lean,JKarathiya/Lean,jameschch/Lean,AlexCatarino/Lean,jameschch/Lean,JKarathiya/Lean