Fix bookmarks selection of the start page

src/main.rs

@@ -425,7 +425,12 @@ fn follow_line(s: &mut Cursive, line: &str) {
 }
 
 fn follow_link(s: &mut Cursive, link: &str) {
-    let current_url = history::get_current_url().unwrap();
-    let next_url = current_url.join(link).expect("Not a URL");
+    let next_url = match history::get_current_url() {
+        Some(current_url) => {
+            current_url.join(link).expect("Not a URL")
+        },
+        None => Url::parse(link).expect("Not a URL")
+    };
+
     visit_url(s, &next_url)
 }