catch error where single values are put in ignore list as strings spl…

…it on character, which then causes ignore popping to bust a key error

CHANGES.txt

@@ -6,6 +6,10 @@ CHANGES
 --------------------
 
 - Added support for IDict Widget in MultiWidget.
+- Catch bug where if a select value was set as from hidden input 
+  or through a rest url as a single value, it won't error out
+  when trying to remove from ignored list. Probably not the 100%
+  right fix but it catches core dumps and is sane anyways.
 
 
 3.0.0a3 (2013-04-08)

src/z3c/form/browser/select.py

@@ -70,7 +70,7 @@ def items(self):
 
         def addItem(idx, term, prefix=''):
             selected = self.isSelected(term)
-            if selected:
+            if selected and term.token in ignored:
                 ignored.remove(term.token)
             id = '%s-%s%i' % (self.id, prefix, idx)
             content = term.token