Updated swagger file and version info

indexFacade.go

@@ -16,9 +16,17 @@ func indexHandler(w http.ResponseWriter, r *http.Request) {
 
 		testf()
 
-		data := VersionData{Version: "2.1.1",
-			Changelog: "Fixed bug where wrong song was showed as currently played.",
+		data := VersionData{Version: "2.1.3",
+			Changelog: "Added a check to see if song exists before returning it, if not a new song will be picked up.",
 			History: []VersionData{
+				{
+					Version:   "2.1.2",
+					Changelog: "Added test server to swagger file.",
+				},
+				{
+					Version:   "2.1.1",
+					Changelog: "Fixed bug where wrong song was showed as currently played.",
+				},
 				{
 					Version: "2.1.0",
 					Changelog: "Added /addQue to add the last received song to the songQue. " +