Client instance still exisiting after erroring in the deinitialize hook

[ax255]

I think i deleted my chip at the same time my net stream got triggered and ended up with the client instance still exisiting even after the chip entity being deleted

[starfallex] addons/starfallex/lua/starfall/libs_sh/net.lua:51: attempt to index a nil value
    1. deinitialize - addons/starfallex/lua/starfall/libs_sh/net.lua:51
        2. unknown - addons/starfallex/lua/starfall/libs_sh/net.lua:146
            3. RunHook - addons/starfallex/lua/starfall/instance.lua:166
                4. deinitialize - addons/starfallex/lua/starfall/instance.lua:661
                    5. unknown - addons/starfallex/lua/entities/starfall_processor/cl_init.lua:23
                        6. unknown - addons/starfallex/lua/starfall/sflib.lua:113

[thegrb93]

I think your error was caused by a readstream error. I've added some error checking now.