add missing get_batchlinkparams method to simple search view

tabellio/searchform/simple.py

@@ -63,3 +63,12 @@ class SimpleSearchView(BrowserView):
                              'tabellio.agenda.comevent'],
                 SearchableText=self.request.form.get('SearchableText'))
 
+    def get_batchlinkparams(self):
+        d = dict()
+        for key in self.request.form:
+            d[key] = self.request.form[key]
+            if type(d[key]) is str:
+                d[key] = unicode(d[key], 'utf-8').encode('utf-8')
+            elif type(d[key]) is unicode:
+                d[key] = d[key].encode('utf-8')
+        return d