improvement for lots of multiple-selection forms (now by default the first one is selected - till now it was left unchecked which lead to blank get/post data for the whole form)

lib/core/option.py

@@ -457,6 +457,9 @@ def __findPageForms():
 
     if forms:
         for form in forms:
+            for control in form.controls:
+                if hasattr(control, 'items'):
+                    control.items[0].selected = True
             request = form.click()
             url = urldecode(request.get_full_url(), kb.pageEncoding)
             method = request.get_method()