Ignore main.exe if I'm lazy about go build

.gitignore

@@ -0,0 +1 @@
+main/main.exe

main/main.go

@@ -53,12 +53,12 @@ type textEmitter struct {
 }
 
 func (t *textEmitter) Emit(summary *auctionsim.ResultSummary) {
-	if !t.notFirst {
+	if t.notFirst {
 		fmt.Println()
 		fmt.Println("-----------------")
 		fmt.Println()
-		t.notFirst = true
 	}
+	t.notFirst = true
 	fmt.Printf("The auction winner paid ¤%f. They have %s.\n", summary.Price, deltaStr(summary.WinnerProfit))
 	fmt.Printf("The item was worth ¤%f to them.\n", summary.WinnerValue)
 	fmt.Printf("They would have paid up to ¤%f for it.\n", summary.WinnerMaxBid)