Script errors now have information on where the error occureed (what value);

Script operator "int + object" now uses string concatenation instead of converting the object to integer;
Html export window uses a dummy set for editing options, so we don't pollute the set's undo stack;
Choice rendererer in nativelook 'both' style always leaves room for the icon;
Version bump

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@438 0fc631ac-6414-0410-93d0-97cfa31319b6

src/gui/html_export_window.cpp

@@ -29,7 +29,7 @@ HtmlExportWindow::HtmlExportWindow(Window* parent, const SetP& set)
 	// init controls
 	list    = new PackageList(this, ID_EXPORT_LIST);
 	options = new ExportOptionsEditor(this, wxID_ANY, wxNO_BORDER);
-	options->setSet(set);
+	options->setSet(new_intrusive1<Set>(set->stylesheet)); // dummy set
 	// init sizers
 	wxSizer* s = new wxBoxSizer(wxVERTICAL);
 		s->Add(new wxStaticText(this, wxID_ANY, _LABEL_("html template")), 0, wxALL, 4);