Change history default to 99 from 100 so history printed with %02d lo…

…oks good

terminal.go

@@ -980,7 +980,8 @@ func NewHistory(capacity int) *stRingBuffer {
 }
 
 // DefaultHistoryEntries is the default number of entries in the history.
-const DefaultHistoryEntries = 100
+// History index 1-99 prints using %02d.
+const DefaultHistoryEntries = 99
 
 func (s *stRingBuffer) Add(a string) {
 	if s.entries[s.head] == a {