/uptime: Format output to be more human-friendly

host.go

@@ -8,6 +8,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/dustin/go-humanize"
 	"github.com/shazow/rateio"
 	"github.com/shazow/ssh-chat/chat"
 	"github.com/shazow/ssh-chat/chat/message"
@@ -365,7 +366,7 @@ func (h *Host) InitCommands(c *chat.Commands) {
 	c.Add(chat.Command{
 		Prefix: "/uptime",
 		Handler: func(room *chat.Room, msg message.CommandMsg) error {
-			room.Send(message.NewSystemMsg(time.Now().Sub(timeStarted).String(), msg.From()))
+			room.Send(message.NewSystemMsg(humanize.Time(timeStarted), msg.From()))
 			return nil
 		},
 	})