fix issue where cat model.fermi | fermi led to infinite loop

f.go

@@ -364,6 +364,7 @@ replForLoop:
 
 		switch {
 		case strings.TrimSpace(new_line_trimmed) == "": /* Empty line case */
+			continue replForLoop
 		/* Parenthesis */
 		case len(words) == 2 && (words[0] == "*" || words[0] == "+" || words[0] == "-" || words[0] == "/") && words[1] == "(":
 			new_stack := runRepl(Stack{old_dist: INIT_DIST, vars: stack.vars}, reader)
@@ -392,8 +393,6 @@ replForLoop:
 			fmt.Printf("%s ", words[1])
 			prettyPrintDist(stack.old_dist)
 			stack.old_dist = INIT_DIST
-			// fmt.Println()
-			// continue replForLoop
 		default:
 			op, new_dist, err := parseWordsIntoOpAndDist(words, stack.vars)
 			if err != nil {