implemented everything else and added more examples and docs

_examples/send_tick/main.go

@@ -0,0 +1,39 @@
+package main
+
+/*
+ send a  tick with an arbitrary  payload, supply some argument  to the
+ command, which  will then  be attached  to the  tick. Use  the events
+ example to  retrieve the tick (command  out the Window event  type to
+ better see it)
+*/
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/tlinden/i3ipc"
+)
+
+func main() {
+	payload := "send_tick.go"
+
+	if len(os.Args) > 1 {
+		payload = os.Args[1]
+	}
+
+	ipc := i3ipc.NewI3ipc()
+
+	err := ipc.Connect()
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer ipc.Close()
+
+	err = ipc.SendTick(payload)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Printf("Sent tick with payload '%s'.\n", payload)
+}