I useful feature for developers.
This will enable a log to be created of everything that ran when
executing a command. It uses the set command.
When you run a command a file dev-debug.log is created and will output
set -x
Update the terraria config to fit with the config convention. Update the
terrariaserver script to contain a variable to reference the default
config. Update fn_install_config to handle Terraria.
Daniel Gibbs
Bryce Van Dyk