Added a pre-bootstrap handler for didNotUnderstand:at:.
Added a pre-bootstrap handler for didNotUnderstand:at:.

krfkeith/slate-language,krfkeith/slate-language,briantrice/slate-language,krfkeith/slate-language,briantrice/slate-language,krfkeith/slate-language,briantrice/slate-language,krfkeith/slate-language,krfkeith/slate-language,briantrice/slate-language,briantrice/slate-language,briantrice/slate-language