Fixes bug in Slice accessors
Fixes bug in Slice accessors

bdilber/Lean,tzaavi/Lean,racksen/Lean,devalkeralia/Lean,jameschch/Lean,wowgeeker/Lean,Mendelone/forex_trading,Phoenix1271/Lean,Mendelone/forex_trading,racksen/Lean,StefanoRaggi/Lean,AlexCatarino/Lean,young-zhang/Lean,QuantConnect/Lean,AlexCatarino/Lean,rchien/Lean,FrancisGauthier/Lean,young-zhang/Lean,Obawoba/Lean,Phoenix1271/Lean,AnObfuscator/Lean,bizcad/LeanITrend,Obawoba/Lean,florentchandelier/Lean,devalkeralia/Lean,StefanoRaggi/Lean,exhau/Lean,andrewhart098/Lean,jameschch/Lean,young-zhang/Lean,redmeros/Lean,bizcad/Lean,bdilber/Lean,mabeale/Lean,dalebrubaker/Lean,bizcad/Lean,Neoracle/Lean,AnObfuscator/Lean,florentchandelier/Lean,andrewhart098/Lean,desimonk/Lean,desimonk/Lean,Jay-Jay-D/LeanSTP,redmeros/Lean,bizcad/LeanITrend,dalebrubaker/Lean,AnshulYADAV007/Lean,kaffeebrauer/Lean,devalkeralia/Lean,FrancisGauthier/Lean,bizcad/LeanAbhi,mabeale/Lean,florentchandelier/Lean,Phoenix1271/Lean,bizcad/LeanJJN,dalebrubaker/Lean,mabeale/Lean,Mendelone/forex_trading,AnshulYADAV007/Lean,redmeros/Lean,iamkingmaker/Lean,AnshulYADAV007/Lean,iamkingmaker/Lean,StefanoRaggi/Lean,squideyes/Lean,devalkeralia/Lean,Jay-Jay-D/LeanSTP,young-zhang/Lean,QuantConnect/Lean,QuantConnect/Lean,bizcad/LeanAbhi,tzaavi/Lean,FrancisGauthier/Lean,squideyes/Lean,Jay-Jay-D/LeanSTP,Phoenix1271/Lean,rchien/Lean,racksen/Lean,QuantConnect/Lean,JKarathiya/Lean,tomhunter-gh/Lean,bizcad/LeanITrend,wowgeeker/Lean,tzaavi/Lean,bizcad/LeanJJN,bizcad/LeanJJN,bizcad/LeanITrend,JKarathiya/Lean,kaffeebrauer/Lean,exhau/Lean,AnObfuscator/Lean,bizcad/LeanAbhi,AnObfuscator/Lean,jameschch/Lean,wowgeeker/Lean,wowgeeker/Lean,desimonk/Lean,bizcad/Lean,racksen/Lean,FrancisGauthier/Lean,tomhunter-gh/Lean,Obawoba/Lean,tomhunter-gh/Lean,florentchandelier/Lean,tzaavi/Lean,AnshulYADAV007/Lean,squideyes/Lean,bizcad/LeanAbhi,kaffeebrauer/Lean,dalebrubaker/Lean,mabeale/Lean,andrewhart098/Lean,dpavlenkov/Lean,Neoracle/Lean,desimonk/Lean,Jay-Jay-D/LeanSTP,dpavlenkov/Lean,iamkingmaker/Lean,kaffeebrauer/Lean,rchien/Lean,iamkingmaker/Lean,Jay-Jay-D/LeanSTP,JKarathiya/Lean,bizcad/Lean,Mendelone/forex_trading,tomhunter-gh/Lean,andrewhart098/Lean,dpavlenkov/Lean,jameschch/Lean,Obawoba/Lean,exhau/Lean,Neoracle/Lean,AlexCatarino/Lean,bdilber/Lean,AlexCatarino/Lean,bizcad/LeanJJN,bdilber/Lean,StefanoRaggi/Lean,kaffeebrauer/Lean,StefanoRaggi/Lean,JKarathiya/Lean,AnshulYADAV007/Lean,redmeros/Lean,jameschch/Lean,squideyes/Lean,exhau/Lean,dpavlenkov/Lean,Neoracle/Lean,rchien/Lean