Display a non halting error when teamID in Player:SetTeam would not network correctly

GM:ClientSignOnStateChanged is no longer called for HLTV clients

util.IsValidModel uses meshcount to determine useless models, instead of hardcoded path substrings, which is error prone

Do not IsValid the ident in hook.Add & hook.Remove - The check was added solely to print an error for invalid input types, but NULL entity is still an entity

Make Entity:IsOnFire return false instead of nil for non animated entities

Entity:FollowBone doesn't check the boneID argument if given a NULL entity, or no arguments at all

Cache gamemode table for gamemode.Call and hook.Run (Community Contribution)

engine.CloseServer now returns true if quit command was issued, also fixed it not working immediately on server start up

COLOR:SetUnpacked now type checks its inputs

Made certain Lua errors thrown from Lua-defined functions produce more useful stack traces

game.CleanUpMap deletes C_Hairball

Make file.Write and file.Append return success of file.Open used internally (Community Contribution)

Added Lua implementations of HSVToColor & HSLToColor for higher performance and ensuring their return value has the Color metatable (Community Contribution)

Allow comments and trailing commas in JSON parsing

Made util.TableToJSON output whole numbers without decimal point when encountering such whole Lua numbers

Made Player:LimitHit serverside only (it would error clientside)

Made file.Read return nil on failure instead of no value

HTTP calls the fail callback with -disablehttp