What this libary does is convert the old Garry's Mod Network libary User Messages to the modern version of Net Messages.
This may have bugs and this is now a platform for any dev/server owner to report issues on. This has been ran for about 2 - 3 years on high population servers running DarkRP which still uses UMsg's and no problems have been found.
This also fixes some limitations with the base game. By replacing the BroadcastLua and SendLua functions they are no-longer limited to 254 bytes