Faster insertion into table

builtin/common/filterlist.lua

builtin/common/misc_helpers.lua

builtin/common/serialize.lua

builtin/fstk/buttonbar.lua

builtin/fstk/tabview.lua

builtin/game/auth.lua

builtin/game/chatcommands.lua

builtin/game/misc.lua

builtin/game/register.lua

builtin/mainmenu/common.lua

builtin/mainmenu/modmgr.lua

builtin/mainmenu/tab_mods.lua

builtin/mainmenu/tab_texturepacks.lua