Added World, Entity & Player wrappers

- LuaWrapper.cpp/lua_autopush was updated to support CNSocket*
- Added basic getters added for Entity, (x, y, z & type)
- Added basic getter for Player, (name)
- Added bases getter for World, (version)
- Added World.onPlayerAdded & World.onPlayerRemoved events

scripts/test.lua

@@ -1,3 +1,8 @@
 print("Hello world!")
+
+World.onPlayerAdded:listen(function(plr)
+    print(plr.type .. " " .. plr.name .. " joined from LUA!!")
+end)
+
 wait(2)
-print("Hello world ~2 seconds later!")
+print("Hello world ~2 seconds later! running protcol version " .. World.version)