fix issue with breaking itunes image

Readme.md

@@ -14,7 +14,7 @@
   </a> -->
 
   <h1 align="center" style="margin-bottom:0px">Podgrab</h1>
-  <p align="center">Current Version -2021.08.13</p>
+  <p align="center">Current Version -2021.08.25</p>
 
   <p align="center">
     A self-hosted podcast manager to download episodes as soon as they become live

client/settings.html

@@ -132,7 +132,7 @@
         <table>
             <tr>
                 <td>Current Version</td>
-                <td>  2021.08.13</td>
+                <td>  2021.08.25</td>
             </tr>
             <tr>
                 <td>Website</td>

service/podcastService.go

@@ -185,6 +185,9 @@ func getItunesImageUrl(body []byte) string {
 	}
 
 	iimage := channel.SelectElement("itunes:image")
+	if iimage == nil {
+		return ""
+	}
 	for _, attr := range iimage.Attr {
 		if attr.Name.Local == "href" {
 			return attr.Value