Clear reflection view every frame
Fixes not rendering skybox causing water reflections to be "stuck" to screen, etc.
Added IsValid methods to CMoveData/CUserCmd/CEffectData/CTakeDamageInfo
Fix tracers trying to use view models for other players
base gamemode respects DMG_REMOVENORAGDOLL for players
Fixed calling Spawn() twice on ragdolls crashing the game
Fix SetModel on prop_ragdoll causing the model to look glitchy
When deleting ragdoll physics objects, also delete constraints
SurfaceInfo:GetVertices works on surfaces with non poly primitives
Experimental, seems to work just fine in my tests
Consistent deaths for HL1 NPCs with ai_serverragdolls