markbates/mongoid-tags-arent-hard — pull request #4 by lukebergen (2012-11-09 07:21:10+00:00)
Title: raises exception when list of tags contains nil

e.g.
model.tags << "1,2,3" #=> fine
model.tags << nil #=> raises exception
model.tags << ["1", "2", nil, "3"] #=> raises exception