removed some old debug WriteLines, added a message dialogue for invalid URLs

MainWindow.cs

@@ -131,8 +131,6 @@ namespace Buypeeb {
 				item.originalName.ToLower().Contains(this.searchEntry.Text.ToLower()))
 				select item;
 
-			Console.WriteLine(this.filterChecks["Favourites"].Active);
-
 			// bind treeview columns to watchlist instead of needing to manually sync its liststore
 			this.itemTreeView = (TreeView)builder.GetObject("TreeViewItems");
 			this.items = new ListStore(typeof(YahooAuctionsItem));
@@ -176,7 +174,6 @@ namespace Buypeeb {
 
 			for (int i = 0; i < this.itemTreeView.Model.IterNChildren(); i++) {
 				var x = (YahooAuctionsItem)this.itemTreeView.Model.GetValue(iter, 0);
-				Console.WriteLine(x);
 				if (x.id == id) {
 					return (m.ConvertPathToChildPath(m.GetPath(iter)), m.ConvertIterToChildIter(iter));
 				}
@@ -423,12 +420,13 @@ namespace Buypeeb {
 			// vry simpl url validation for simpol creachers
 			Regex rx = new Regex(@"^http.+yahoo.+");
 			if (rx.IsMatch(url)) {
-				Console.WriteLine("{0} will be added", url);
 				this.UpdateItem(this.settings.Watch(url, name).id);
 				this.RenderList();
 			}
 			else {
-				Console.WriteLine("{0} is an invalid url", url);
+				var md = this.MsgBox($"\"{url}\" is not a valid Buyee or Yahoo! Auctions Japan URL.");
+				md.Run();
+				md.Dispose();
 			}
 		}
 
@@ -437,7 +435,6 @@ namespace Buypeeb {
 		}
 
 		private void ButtonClearEndedClicked(object sender, EventArgs a) {
-			Console.WriteLine("ButtonClearEndedClicked");
 			var md = this.MsgBox("Are you sure you want to remove all ended auctions from the list?");
 			var r = (ResponseType)md.Run();
 			md.Dispose();
@@ -738,7 +735,6 @@ namespace Buypeeb {
 				return false;
 			}
 
-			// this.filterQuery.ToList().ForEach(Console.WriteLine);
 			return this.filterQuery.Contains(item);
 		}