Fix bugs in loading from HTTP-only archives on HTTPS pages.

src/General/CrossOrigin.coffee

@@ -77,7 +77,7 @@ CrossOrigin = do ->
       <% if (type === 'userscript') { %>
       GM_xmlhttpRequest
         method: "GET"
-        url: url
+        url: url+''
         onload: (xhr) ->
           response = JSON.parse xhr.responseText
           cb response for cb in callbacks[url]

src/General/Get.coffee

@@ -154,7 +154,7 @@ Get =
         if media then for key of media when /_link$/.test key
           # Image/thumbnail URLs loaded over HTTP can be modified in transit.
           # Require them to be from a known HTTP host so that no referrer is sent to them from an HTTPS page.
-          delete media[key] unless media[key].match(/^(http:\/\/[^\/]+\/)?/)[0] in url.archive.imagehosts
+          delete media[key] unless media[key]? and media[key].match(/^(http:\/\/[^\/]+\/)?/)[0] in url.archive.imagehosts
         Get.parseArchivedPost response, boardID, postID, root, context
       return true
     return false