Always hard exit in PrintError(); do not pointlessly return the error code in soft exit

back/exitSoft.go

@@ -3,6 +3,6 @@
 package back
 
 // Exit (soft) is meant to be used in interactive implementations (GUIs/TUIs) to keep the program running after an operation.
-func Exit(code int) int {
-	return code
+func Exit(code int) {
+	return
 }