Added GTC alias for GoodTilCancelled
Added GTC alias for GoodTilCancelled

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