Don't Starve Together not creating configs for instances

## Basic info

* Distro \[Debian 8]
* Game \[Don't Starve Together]
* Feature \[Multiple Instances]

## Further Information

Steps to reproduce the behaviour:
1. Install LGSM
2. Create two instances
3. Check if there is a config for created the new instance
4. See error

## Expected behaviour
See a new config for an instance is created. Even when you create one yourself it won't work the all instances will instead use the 'dst-server-Master.cfg'