This means it's working and making a database of all your Starbound asset files. When you open starcheat for the first time you will see a black window pop up first saying something about 'X number of files found' and a whole heap of dots. Change the player_folder option to point to your Starbound player save folder (also somewhere in steamapps).Change the assets_folder option to point to your Starbound assets folder (in steamapps).