Simplifies entity movement logic in client_entity.lua by improving coordinate comparison and updating behavior triggers. Adds a new Math.Nearest function in math.lua to round values to the nearest whole number.
depricating register / unregister and replacing with Create/Destroy to follow convention
math.Inbounds checks a list of points (table.points = vector3[] minZ = int || -math.huge, maxZ = int || math.huge)
added function to get a local offset world position from a point
updated entities to automatically process next queued action without needing to call processnextaction
Added client freeze, circle, and bobupanddown for client/rebound entity manipulation