marcemarc/monosnow.umbraco.uCssClassNameDropdown — pull request #1 by owlyowl (2014-01-03 02:36:20+00:00)
Title: BUGFIX: If the excludeList is null then the split on line 51 blows up 

The result is that it only ever adds the first matched item to the drop down list.

Fix: Initialise the variable with an empty string if null