Implement bash CTRL-R reverse history

Fork customized liner into own repo bash.
Rename -being and -end options to -after and -before.

history.go

@@ -12,10 +12,6 @@ type history struct {
 }
 
 func (h *history) GetHistoryByPrefix(prefix string) (ph []string) {
-	/* Hack for performance reasons */
-	if len(prefix) < 2 {
-		return
-	}
 	opts := searchopts{}
 	opts.order = "DESC"
 	cmdqry := prefix + "%"
@@ -31,10 +27,6 @@ func (h *history) GetHistoryByPrefix(prefix string) (ph []string) {
 	return
 }
 func (h *history) GetHistoryByPattern(pattern string) (ph []string, pos []int) {
-	/* Hack for performance reasons */
-	if len(pattern) < 2 {
-		return
-	}
 	opts := searchopts{}
 	opts.order = "DESC"
 	cmdqry := "%" + pattern + "%"