Issue/Bug: _zarptestcardealer returns a script error
Brief description of the issue/bug: Type _zarptestcardealer in console and it errors, nothing more than that I believe
Lua errors:] _zarptestcardealer
[ERROR] gamemodes/darkrp/gamemode/modules/zarpcardealer/cl_zarpcardealer.lua:640: attempt to perform arithmetic on a userdata value
1. unknown - gamemodes/darkrp/gamemode/modules/zarpcardealer/cl_zarpcardealer.lua:640
2. unknown - lua/includes/modules/concommand.lua:54
] _zarptestcardealer
] _zarptestcardealer
[ERROR] gamemodes/darkrp/gamemode/modules/zarpcardealer/cl_zarpcardealer.lua:640: attempt to perform arithmetic on a userdata value
1. unknown - gamemodes/darkrp/gamemode/modules/zarpcardealer/cl_zarpcardealer.lua:640
2. unknown - lua/includes/modules/concommand.lua:54
] _zarptestcardealer
] _zarptestcardealer
[ERROR] gamemodes/darkrp/gamemode/modules/zarpcardealer/cl_zarpcardealer.lua:640: attempt to perform arithmetic on a userdata value
1. unknown - gamemodes/darkrp/gamemode/modules/zarpcardealer/cl_zarpcardealer.lua:640
2. unknown - lua/includes/modules/concommand.lua:54