implemented more stuff along with samples

_examples/get_bars/main.go

@@ -0,0 +1,40 @@
+package main
+
+/*
+ Retrieve a list of running bars
+*/
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/alecthomas/repr"
+	"github.com/tlinden/i3ipc"
+)
+
+func main() {
+	ipc := i3ipc.NewI3ipc()
+
+	err := ipc.Connect()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	bars, err := ipc.GetBars()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Println("Current bars:")
+	repr.Println(bars)
+
+	if len(bars) > 0 {
+		fmt.Println("First bar:")
+		bar, err := ipc.GetBar(bars[0])
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		repr.Println(bar)
+	}
+}