Webscraper: set source when returning results, and trim result fields.

src/main/java/moe/nekojimi/musicsearcher/providers/WebScraperSearcher.java

@@ -142,19 +142,20 @@ public class WebScraperSearcher extends Searcher
         try
         {
             Result res = new Result();
+            res.setSource(name, abbr);
             // Artist
             if (resultArtistSelector != null)
-                res.setArtist(parser.getField(ele, resultArtistSelector));
+                res.setArtist(parser.getField(ele, resultArtistSelector).trim());
             // Title
             if (resultTitleSelector != null)
-                res.setTitle(parser.getField(ele, resultTitleSelector));
+                res.setTitle(parser.getField(ele, resultTitleSelector).trim());
             // Link
             if (resultLinkSelector != null)
                 res.setLink(parser.getURLField(ele, rootURL, resultLinkSelector));
 
             // Artist + Album
             if (resultAlbumArtistSelector != null)
-                res.setAlbumArtist(parser.getField(ele, resultAlbumArtistSelector));
+                res.setAlbumArtist(parser.getField(ele, resultAlbumArtistSelector).trim());
 
             // Artist + Title