Adds GroupAdjacentBy to LinqExtensions
Adds GroupAdjacentBy to LinqExtensions

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